Deck 2: Organizing and Visualizing

ملء الشاشة (f)
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سؤال
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, if 100 calls were randomly sampled, how many calls lasted 15 minutes or longer?

A) 10
B) 14
C) 26
D) 74
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سؤال
SCENARIO 2-4
A survey was conducted to determine how people rated the quality of programming available on
television. Respondents were asked to rate the overall quality from 0 (no quality at all) to 100
(extremely good quality). The stem-and-leaf display of the data is shown below.  Stem  Leaves 32440347899950112345612566701892\begin{array} { l l } \text { Stem } & \text { Leaves } \\\hline 3 & 24 \\4 & 03478999 \\5 & 0112345 \\6 & 12566 \\7 & 01 \\8 & \\9 & 2\end{array}

-Referring to Scenario 2-4, what percentage of the respondents rated overall television quality with a rating of 80 or above?

A) 0
B) 4
C) 96
D) 100
سؤال
SCENARIO 2-2
At a meeting of information systems officers for regional offices of a national company, a survey was
taken to determine the number of employees the officers supervise in the operation of their
departments, where X is the number of employees overseen by each information systems officer. Xf17253114859\begin{array} { l r } X & f \\\hline 1 & 7 \\2 & 5 \\3 & 11 \\4 & 8 \\5 & 9\end{array}

-Referring to Scenario 2-2, across all of the regional offices, how many total employees were supervised by those surveyed?

A) 15
B) 40
C) 127
D) 200
سؤال
The width of each bar in a histogram corresponds to the

A) differences between the boundaries of the class.
B) number of observations in each class.
C) midpoint of each class.
D) percentage of observations in each class.
سؤال
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, if 1,000 calls were randomly sampled, how many calls lasted under 10 minutes?

A) 220
B) 370
C) 410
D) 590
سؤال
When constructing charts, the following is plotted at the class midpoints:

A) frequency histograms.
B) percentage polygons.
C) cumulative percentage polygon (ogives).
D) All of the above.
سؤال
SCENARIO 2-2
At a meeting of information systems officers for regional offices of a national company, a survey was
taken to determine the number of employees the officers supervise in the operation of their
departments, where X is the number of employees overseen by each information systems officer. Xf17253114859\begin{array} { l r } X & f \\\hline 1 & 7 \\2 & 5 \\3 & 11 \\4 & 8 \\5 & 9\end{array}

-Referring to Scenario 2-2, how many regional offices are represented in the survey results?

A) 5
B) 11
C) 15
D) 40
سؤال
A professor of economics at a small Texas university wanted to determine what year in school students were taking his tough economics course. Shown below is a pie chart of the results. What
Percentage of the class took the course prior to reaching their senior year? <strong>A professor of economics at a small Texas university wanted to determine what year in school students were taking his tough economics course. Shown below is a pie chart of the results. What Percentage of the class took the course prior to reaching their senior year?  </strong> A) 14% B) 44% C) 54% D) 86% <div style=padding-top: 35px>

A) 14%
B) 44%
C) 54%
D) 86%
سؤال
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, what is the cumulative relative frequency for the percentage of calls that lasted 10 minutes or more?

A) 0.16
B) 0.24
C) 0.41
D) 0.90
سؤال
SCENARIO 2-1
An insurance company evaluates many numerical variables about a person before deciding on an
appropriate rate for automobile insurance. A representative from a local insurance agency selected a
random sample of insured drivers and recorded, X, the number of claims each made in the last 3
years, with the following results. Xf1142183124551\begin{array} { r r } X & f \\\hline \hline 1 & 14 \\2 & 18 \\3 & 12 \\4 & 5 \\5 & 1\end{array}

-Referring to Scenario 2-1, how many drivers are represented in the sample?

A) 5
B) 15
C) 18
D) 50
سؤال
A type of vertical bar chart in which the categories are plotted in the descending rank order of the magnitude of their frequencies is called a

A) contingency table.
B) Pareto chart.
C) stem-and-leaf display.
D) pie chart.
سؤال
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, what is the width of each class?

A) 1 minute
B) 5 minutes
C) 2%
D) 100%
سؤال
Referring to Scenario 2-1, how many total claims are represented in the sample?

A) 15
B) 50
C) 111
D) 250
سؤال
SCENARIO 2-4
A survey was conducted to determine how people rated the quality of programming available on
television. Respondents were asked to rate the overall quality from 0 (no quality at all) to 100
(extremely good quality). The stem-and-leaf display of the data is shown below.  Stem  Leaves 32440347899950112345612566701892\begin{array} { l l } \text { Stem } & \text { Leaves } \\\hline 3 & 24 \\4 & 03478999 \\5 & 0112345 \\6 & 12566 \\7 & 01 \\8 & \\9 & 2\end{array}

-Referring to Scenario 2-4, what percentage of the respondents rated overall television quality with a rating of 50 or below?

A) 11
B) 40
C) 44
D) 56
سؤال
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, what is the cumulative relative frequency for the percentage of calls that lasted under 20 minutes?

A) 0.10
B) 0.59
C) 0.76
D) 0.84
سؤال
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, if 10 calls lasted 30 minutes or more, how many calls lasted less than 5 minutes?

A) 10
B) 185
C) 295
D) 500
سؤال
When polygons or histograms are constructed, which axis must show the true zero or "origin"?

A) The horizontal axis.
B) The vertical axis.
C) Both the horizontal and vertical axes.
D) Neither the horizontal nor the vertical axis.
سؤال
SCENARIO 2-3
Every spring semester, the School of Business coordinates a luncheon with local business leaders for
graduating seniors, their families, and friends. Corporate sponsorship pays for the lunches of each of
the seniors, but students have to purchase tickets to cover the cost of lunches served to guests they
bring with them. The following histogram represents the attendance at the senior luncheon, where X is
the number of guests each graduating senior invited to the luncheon and f is the number of graduating
seniors in each category. <strong>SCENARIO 2-3 Every spring semester, the School of Business coordinates a luncheon with local business leaders for graduating seniors, their families, and friends. Corporate sponsorship pays for the lunches of each of the seniors, but students have to purchase tickets to cover the cost of lunches served to guests they bring with them. The following histogram represents the attendance at the senior luncheon, where X is the number of guests each graduating senior invited to the luncheon and f is the number of graduating seniors in each category.   Referring to the histogram from Scenario 2-3, if all the tickets purchased were used, how many guests attended the luncheon?</strong> A) 4 B) 152 C) 275 D) 388 <div style=padding-top: 35px>
Referring to the histogram from Scenario 2-3, if all the tickets purchased were used, how many guests attended the luncheon?

A) 4
B) 152
C) 275
D) 388
سؤال
SCENARIO 2-4
A survey was conducted to determine how people rated the quality of programming available on
television. Respondents were asked to rate the overall quality from 0 (no quality at all) to 100
(extremely good quality). The stem-and-leaf display of the data is shown below.  Stem  Leaves 32440347899950112345612566701892\begin{array} { l l } \text { Stem } & \text { Leaves } \\\hline 3 & 24 \\4 & 03478999 \\5 & 0112345 \\6 & 12566 \\7 & 01 \\8 & \\9 & 2\end{array}

-Referring to Scenario 2-4, what percentage of the respondents rated overall television quality with a rating from 50 through 75?

A) 11
B) 40
C) 44
D) 56
سؤال
SCENARIO 2-3
Every spring semester, the School of Business coordinates a luncheon with local business leaders for
graduating seniors, their families, and friends. Corporate sponsorship pays for the lunches of each of
the seniors, but students have to purchase tickets to cover the cost of lunches served to guests they
bring with them. The following histogram represents the attendance at the senior luncheon, where X is
the number of guests each graduating senior invited to the luncheon and f is the number of graduating
seniors in each category. <strong>SCENARIO 2-3 Every spring semester, the School of Business coordinates a luncheon with local business leaders for graduating seniors, their families, and friends. Corporate sponsorship pays for the lunches of each of the seniors, but students have to purchase tickets to cover the cost of lunches served to guests they bring with them. The following histogram represents the attendance at the senior luncheon, where X is the number of guests each graduating senior invited to the luncheon and f is the number of graduating seniors in each category.   Referring to the histogram from Scenario 2-3, how many graduating seniors attended the luncheon?</strong> A) 4 B) 152 C) 275 D) 388 <div style=padding-top: 35px>
Referring to the histogram from Scenario 2-3, how many graduating seniors attended the luncheon?

A) 4
B) 152
C) 275
D) 388
سؤال
Data on the number of part-time hours students at a public university worked in a week were collected. Which of the following is the best chart for presenting the information?

A) A pie chart.
B) A Pareto chart.
C) A percentage table.
D) A percentage polygon.
سؤال
Data on 1,500 students' height were collected at a larger university in the East Coast. Which of the following is the best chart for presenting the information?

A) A pie chart.
B) A Pareto chart.
C) A side-by-side bar chart.
D) A histogram.
سؤال
You have collected data on the responses to two questions asked in a survey of 40 college students majoring in business-What is your gender (Male = M; Female = F) and What is your
Major (Accountancy = A; Computer Information Systems = C; Marketing = M). Which of the
Following is the best for presenting the data?

A) A contingency table.
B) A stem-and-leaf display
C) A time-series plot.
D) A Pareto chart.
سؤال
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, if 100 calls were randomly sampled, _______ of them would have lasted at least 15 minutes but less than 20 minutes

A) 6
B) 8
C) 10
D) 16
سؤال
Which of the following is appropriate for displaying data collected on the different brands of cars students at a major university drive?

A) A Pareto chart
B) A two-way classification table
C) A histogram
D) A scatter plot
سؤال
When studying the simultaneous responses to two categorical questions, you should set up a

A) contingency table.
B) frequency distribution table.
C) cumulative percentage distribution table.
D) histogram.
سؤال
SCENARIO 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether
they went bar hopping the weekend before the midterm or spent the weekend studying, and whether
they did well or poorly on the midterm. The following table contains the result.  Did Well in Midterm  Did Poorly in Midterm  Studying for Exam 8020 Went Bar Hopping 3070\begin{array} { | l | l | l | } \hline & \text { Did Well in Midterm } & \text { Did Poorly in Midterm } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went Bar Hopping } & 30 & 70 \\\hline\end{array}

-Referring to Scenario 2-6, of those who went bar hopping the weekend before the midterm in the sample, _______ percent of them did well on the midterm.

A) 15
B) 27.27
C) 30
D) 55
سؤال
You have collected information on the market share of 5 different search engines used by U.S. Internet users in a particular quarter. Which of the following is the best for presenting the
Information?

A) A pie chart.
B) A histogram
C) A stem-and-leaf display.
D) A contingency table.
سؤال
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, if 100 calls were sampled, _______ of them would have lasted less than 5 minutes or at least 30 minutes or more.

A) 35
B) 37
C) 39
D) None of the above.
سؤال
One of the developing countries is experiencing a baby boom, with the number of births rising for the fifth year in a row, according to a BBC News report. Which of the following is best for
Displaying this data?

A) A Pareto chart
B) A two-way classification table
C) A histogram
D) A time-series plot
سؤال
You have collected information on the consumption by the 15 largest coffee-consuming nations. Which of the following is the best for presenting the shares of the consumption?

A) A pie chart.
B) A Pareto chart
C) A side-by-side bar chart.
D) A contingency table.
سؤال
SCENARIO 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether
they went bar hopping the weekend before the midterm or spent the weekend studying, and whether
they did well or poorly on the midterm. The following table contains the result.  Did Well in Midterm  Did Poorly in Midterm  Studying for Exam 8020 Went Bar Hopping 3070\begin{array} { | l | l | l | } \hline & \text { Did Well in Midterm } & \text { Did Poorly in Midterm } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went Bar Hopping } & 30 & 70 \\\hline\end{array}

-Referring to Scenario 2-6, of those who did well on the midterm in the sample, _______ percent of them went bar hopping the weekend before the midterm.

A) 15
B) 27.27
C) 30
D) 50
سؤال
You have collected data on the number of U.S. households actively using online banking and/or online bill payment over a 10-year period. Which of the following is the best for presenting the
Data?

A) A pie chart.
B) A stem-and-leaf display
C) A side-by-side bar chart.
D) A time-series plot.
سؤال
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, if 100 calls were sampled, _______of them would have lasted 20 minutes or more.

A) 26
B) 16
C) 74
D) None of the above.
سؤال
Data on the number of credit hours of 20,000 students at a public university enrolled in a Spring semester were collected. Which of the following is the best for presenting the information?

A) A pie chart.
B) A Pareto chart.
C) A stem-and-leaf display.
D) A contingency table.
سؤال
A survey of 150 executives were asked what they think is the most common mistake candidates make during job interviews. Six different mistakes were given. Which of the
Following is the best for presenting the information?

A) A bar chart.
B) A histogram
C) A stem-and-leaf display.
D) A contingency table.
سؤال
You have collected data on the approximate retail price (in $) and the energy cost per year (in $) of 15 refrigerators. Which of the following is the best for presenting the data?

A) A pie chart.
B) A scatter plot
C) A side-by-side bar chart.
D) A contingency table.
سؤال
You have collected data on the number of complaints for 6 different brands of automobiles sold in the US over a 10-year period. Which of the following is the best for presenting the data?

A) A contingency table.
B) A stem-and-leaf display
C) A time-series plot.
D) A side-by-side bar chart.
سؤال
You have collected data on the monthly seasonally adjusted civilian unemployment rate for the United States over a 10-year period. Which of the following is the best for presenting the data?

A) A contingency table.
B) A stem-and-leaf display
C) A time-series plot.
D) A side-by-side bar chart.
سؤال
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, if 100 calls were sampled, _______ of them would have lasted less than 15 minutes.

A) 26
B) 74
C) 10
D) None of the above.
سؤال
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, ________ of the 100 members visited the health club at least 52 times in a year.<div style=padding-top: 35px>
Referring to Scenario 2-8, ________ of the 100 members visited the health club at least 52 times
in a year.
سؤال
SCENARIO 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether
they went bar hopping the weekend before the midterm or spent the weekend studying, and whether
they did well or poorly on the midterm. The following table contains the result.  Did Well in Midterm  Did Poorly in Midterm  Studying for Exam 8020 Went Bar Hopping 3070\begin{array} { | l | l | l | } \hline & \text { Did Well in Midterm } & \text { Did Poorly in Midterm } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went Bar Hopping } & 30 & 70 \\\hline\end{array}

-Referring to Scenario 2-6, if the sample is a good representation of the population, we can expect _______ percent of those who did poorly on the midterm to have spent the weekend studying.

A) 10
B) 22.22
C) 45
D) 50
سؤال
SCENARIO 2-7
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit
is filed and when the case is actually adjudicated for 50 cases heard in superior court.
S SCENARIO 2-7 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. S   Referring to Scenario 2-7, the civil suit with the longest wait between when the suit was filed and when it was adjudicated had a wait of ________ months.<div style=padding-top: 35px>
Referring to Scenario 2-7, the civil suit with the longest wait between when the suit was filed and
when it was adjudicated had a wait of ________ months.
سؤال
SCENARIO 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether
they went bar hopping the weekend before the midterm or spent the weekend studying, and whether
they did well or poorly on the midterm. The following table contains the result.  Did Well in Midterm  Did Poorly in Midterm  Studying for Exam 8020 Went Bar Hopping 3070\begin{array} { | l | l | l | } \hline & \text { Did Well in Midterm } & \text { Did Poorly in Midterm } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went Bar Hopping } & 30 & 70 \\\hline\end{array}

-Referring to Scenario 2-6, _______ percent of the students in the sample spent the weekend studying and did well on the midterm.

A) 40
B) 50
C) 72.72
D) 80
سؤال
SCENARIO 2-7
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit
is filed and when the case is actually adjudicated for 50 cases heard in superior court.
S SCENARIO 2-7 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. S   Referring to Scenario 2-7, if a frequency distribution with equal sized classes was made from this data, and the first class was 10 but less than 20, the relative frequency of the third class would be ________.<div style=padding-top: 35px>
Referring to Scenario 2-7, if a frequency distribution with equal sized classes was made from
this data, and the first class was "10 but less than 20," the relative frequency of the third class
would be ________.
سؤال
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, the person who visited the health club more than anyone else in the sample visited the facility ________ times.<div style=padding-top: 35px>
Referring to Scenario 2-8, the person who visited the health club more than anyone else in the
sample visited the facility ________ times.
سؤال
SCENARIO 2-7
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit
is filed and when the case is actually adjudicated for 50 cases heard in superior court.
S SCENARIO 2-7 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. S   Referring to Scenario 2-7, ________ percent of the cases were not adjudicated within the first 4 years.<div style=padding-top: 35px>
Referring to Scenario 2-7, ________ percent of the cases were not adjudicated within the first 4
years.
سؤال
In a contingency table, the number of rows and columns

A) must always be the same.
B) must always be 2.
C) must add to 100%.
D) None of the above.
سؤال
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, ________ of the 100 members visited the health club no more than 12 times in a year.<div style=padding-top: 35px>
Referring to Scenario 2-8, ________ of the 100 members visited the health club no more than 12
times in a year.
سؤال
SCENARIO 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether
they went bar hopping the weekend before the midterm or spent the weekend studying, and whether
they did well or poorly on the midterm. The following table contains the result.  Did Well in Midterm  Did Poorly in Midterm  Studying for Exam 8020 Went Bar Hopping 3070\begin{array} { | l | l | l | } \hline & \text { Did Well in Midterm } & \text { Did Poorly in Midterm } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went Bar Hopping } & 30 & 70 \\\hline\end{array}

-Referring to Scenario 2-6, if the sample is a good representation of the population, we can expect _______ percent of the students in the population to spend the weekend studying and do poorly
On the midterm.

A) 10
B) 20
C) 45
D) 50
سؤال
SCENARIO 2-7
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit
is filed and when the case is actually adjudicated for 50 cases heard in superior court.
S SCENARIO 2-7 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. S   Referring to Scenario 2-7, locate the first leaf, i.e., the lowest valued leaf with the lowest valued stem. This represents a wait of ________ months.<div style=padding-top: 35px>
Referring to Scenario 2-7, locate the first leaf, i.e., the lowest valued leaf with the lowest valued
stem. This represents a wait of ________ months.
سؤال
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, the person who has the largest leaf associated with the smallest stem visited the facility ________ times.<div style=padding-top: 35px>
Referring to Scenario 2-8, the person who has the largest leaf associated with the smallest stem
visited the facility ________ times.
سؤال
SCENARIO 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether
they went bar hopping the weekend before the midterm or spent the weekend studying, and whether
they did well or poorly on the midterm. The following table contains the result.  Did Well in Midterm  Did Poorly in Midterm  Studying for Exam 8020 Went Bar Hopping 3070\begin{array} { | l | l | l | } \hline & \text { Did Well in Midterm } & \text { Did Poorly in Midterm } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went Bar Hopping } & 30 & 70 \\\hline\end{array}

-Referring to Scenario 2-6, if the sample is a good representation of the population, we can expect _______ percent of those who spent the weekend studying to do poorly on the midterm.

A) 10
B) 20
C) 45
D) 50
سؤال
SCENARIO 2-7
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit
is filed and when the case is actually adjudicated for 50 cases heard in superior court.
S SCENARIO 2-7 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. S   Referring to Scenario 2-7, if a frequency distribution with equal sized classes was made from this data, and the first class was 10 but less than 20, the cumulative percentage of the second class would be ________.<div style=padding-top: 35px>
Referring to Scenario 2-7, if a frequency distribution with equal sized classes was made from this
data, and the first class was "10 but less than 20," the cumulative percentage of the second class
would be ________.
سؤال
SCENARIO 2-7
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit
is filed and when the case is actually adjudicated for 50 cases heard in superior court.
S SCENARIO 2-7 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. S   Referring to Scenario 2-7, if a frequency distribution with equal sized classes was made from this data, and the first class was 10 but less than 20, the frequency of that class would be ________.<div style=padding-top: 35px>
Referring to Scenario 2-7, if a frequency distribution with equal sized classes was made from this
data, and the first class was "10 but less than 20," the frequency of that class would be ________.
سؤال
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, the person who visited the health club less than anyone else in the sample visited the facility ________ times.<div style=padding-top: 35px>
Referring to Scenario 2-8, the person who visited the health club less than anyone else in the
sample visited the facility ________ times.
سؤال
SCENARIO 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether
they went bar hopping the weekend before the midterm or spent the weekend studying, and whether
they did well or poorly on the midterm. The following table contains the result.  Did Well in Midterm  Did Poorly in Midterm  Studying for Exam 8020 Went Bar Hopping 3070\begin{array} { | l | l | l | } \hline & \text { Did Well in Midterm } & \text { Did Poorly in Midterm } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went Bar Hopping } & 30 & 70 \\\hline\end{array}

-Referring to Scenario 2-6, _______ percent of the students in the sample went bar hopping the weekend before the midterm and did well on the midterm.

A) 15
B) 27.27
C) 30
D) 50
سؤال
SCENARIO 2-7
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit
is filed and when the case is actually adjudicated for 50 cases heard in superior court.
S SCENARIO 2-7 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. S   Referring to Scenario 2-7, ________ percent of the cases were adjudicated within the first 2 years.<div style=padding-top: 35px>
Referring to Scenario 2-7, ________ percent of the cases were adjudicated within the first 2
years.
سؤال
Retailers are always interested in determining why a customer selected their store to make a purchase. A sporting goods retailer conducted a customer survey to determine why its customers
Shopped at the store. The results are shown in the bar chart below. What proportion of the
Customers responded that they shopped at the store because of the merchandise or the
Convenience? <strong>Retailers are always interested in determining why a customer selected their store to make a purchase. A sporting goods retailer conducted a customer survey to determine why its customers Shopped at the store. The results are shown in the bar chart below. What proportion of the Customers responded that they shopped at the store because of the merchandise or the Convenience?  </strong> A) 35% B) 50% C) 65% D) 85% <div style=padding-top: 35px>

A) 35%
B) 50%
C) 65%
D) 85%
سؤال
SCENARIO 2-7
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit
is filed and when the case is actually adjudicated for 50 cases heard in superior court.
S SCENARIO 2-7 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. S   Referring to Scenario 2-7, the civil suit with the fourth shortest waiting time between when the suit was filed and when it was adjudicated had a wait of ________ months.<div style=padding-top: 35px>
Referring to Scenario 2-7, the civil suit with the fourth shortest waiting time between when the
suit was filed and when it was adjudicated had a wait of ________ months.
سؤال
SCENARIO 2-11
The ordered array below resulted from selecting a sample of 25 batches of 500 computer chips and
determining how many in each batch were defective. SCENARIO 2-11 The ordered array below resulted from selecting a sample of 25 batches of 500 computer chips and determining how many in each batch were defective.   Referring to Scenario 2-11, if a frequency distribution for the defects data is constructed, using 0 but less than 5 as the first class, the frequency of the 20 but less than 25 class would be ________.<div style=padding-top: 35px>
Referring to Scenario 2-11, if a frequency distribution for the defects data is constructed, using "0
but less than 5" as the first class, the frequency of the "20 but less than 25" class would be
________.
سؤال
SCENARIO 2-10
The histogram below represents scores achieved by 200 job applicants on a personality profile. SCENARIO 2-10 The histogram below represents scores achieved by 200 job applicants on a personality profile.   Referring to the histogram from Scenario 2-10, the number of job applicants who scored 50 or above is _______.<div style=padding-top: 35px>
Referring to the histogram from Scenario 2-10, the number of job applicants who scored 50 or
above is _______.
سؤال
SCENARIO 2-9
The frequency distribution below represents the rents of 250 randomly selected federally subsidized
apartments in a small town. SCENARIO 2-9 The frequency distribution below represents the rents of 250 randomly selected federally subsidized apartments in a small town.   Referring to Scenario 2-9, ________ percent of the apartments rented for $1,400 or more.<div style=padding-top: 35px>
Referring to Scenario 2-9, ________ percent of the apartments rented for $1,400 or more.
سؤال
SCENARIO 2-10
The histogram below represents scores achieved by 200 job applicants on a personality profile. SCENARIO 2-10 The histogram below represents scores achieved by 200 job applicants on a personality profile.   Referring to the histogram from Scenario 2-10, the number of job applicants who scored between 30 and below 60 is _______.<div style=padding-top: 35px>
Referring to the histogram from Scenario 2-10, the number of job applicants who scored between
30 and below 60 is _______.
سؤال
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, if a frequency distribution with equal sized classes was made from this data, and the first class was 0 but less than 10, the relative frequency of the last class would be ________.<div style=padding-top: 35px>
Referring to Scenario 2-8, if a frequency distribution with equal sized classes was made from this
data, and the first class was "0 but less than 10," the relative frequency of the last class would be
________.
سؤال
SCENARIO 2-9
The frequency distribution below represents the rents of 250 randomly selected federally subsidized
apartments in a small town. SCENARIO 2-9 The frequency distribution below represents the rents of 250 randomly selected federally subsidized apartments in a small town.   Referring to Scenario 2-9, ________ apartments rented for at least $1,200 but less than $1,400.<div style=padding-top: 35px>
Referring to Scenario 2-9, ________ apartments rented for at least $1,200 but less than $1,400.
سؤال
SCENARIO 2-10
The histogram below represents scores achieved by 200 job applicants on a personality profile. SCENARIO 2-10 The histogram below represents scores achieved by 200 job applicants on a personality profile.   Referring to the histogram from Scenario 2-10, ________ percent of the job applicants scored below 50.<div style=padding-top: 35px>
Referring to the histogram from Scenario 2-10, ________ percent of the job applicants scored
below 50.
سؤال
SCENARIO 2-9
The frequency distribution below represents the rents of 250 randomly selected federally subsidized
apartments in a small town. SCENARIO 2-9 The frequency distribution below represents the rents of 250 randomly selected federally subsidized apartments in a small town.   Referring to Scenario 2-9, the class midpoint of the second class is ________.<div style=padding-top: 35px>
Referring to Scenario 2-9, the class midpoint of the second class is ________.
سؤال
SCENARIO 2-10
The histogram below represents scores achieved by 200 job applicants on a personality profile. SCENARIO 2-10 The histogram below represents scores achieved by 200 job applicants on a personality profile.   Referring to the histogram from Scenario 2-10, ________ percent of the job applicants scored between 10 and 20.<div style=padding-top: 35px>
Referring to the histogram from Scenario 2-10, ________ percent of the job applicants scored
between 10 and 20.
سؤال
SCENARIO 2-10
The histogram below represents scores achieved by 200 job applicants on a personality profile. SCENARIO 2-10 The histogram below represents scores achieved by 200 job applicants on a personality profile.   Referring to the histogram from Scenario 2-10, 90% of the job applicants scored above or equal to ________.<div style=padding-top: 35px>
Referring to the histogram from Scenario 2-10, 90% of the job applicants scored above or equal
to ________.
سؤال
SCENARIO 2-11
The ordered array below resulted from selecting a sample of 25 batches of 500 computer chips and
determining how many in each batch were defective. SCENARIO 2-11 The ordered array below resulted from selecting a sample of 25 batches of 500 computer chips and determining how many in each batch were defective.   Referring to Scenario 2-11, if a frequency distribution for the defects data is constructed, using 0 but less than 5 as the first class, the relative frequency of the 15 but less than 20 class would be ________.<div style=padding-top: 35px>
Referring to Scenario 2-11, if a frequency distribution for the defects data is constructed, using "0
but less than 5" as the first class, the relative frequency of the "15 but less than 20" class would
be ________.
سؤال
SCENARIO 2-10
The histogram below represents scores achieved by 200 job applicants on a personality profile. SCENARIO 2-10 The histogram below represents scores achieved by 200 job applicants on a personality profile.   Referring to the histogram from Scenario 2-10, half of the job applicants scored below ________.<div style=padding-top: 35px>
Referring to the histogram from Scenario 2-10, half of the job applicants scored below ________.
سؤال
SCENARIO 2-9
The frequency distribution below represents the rents of 250 randomly selected federally subsidized
apartments in a small town. SCENARIO 2-9 The frequency distribution below represents the rents of 250 randomly selected federally subsidized apartments in a small town.   Referring to Scenario 2-9, the percentage of apartments renting for less than $1,400 is ________.<div style=padding-top: 35px>
Referring to Scenario 2-9, the percentage of apartments renting for less than $1,400 is ________.
سؤال
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, if a frequency distribution with equal sized classes was made from this data, and the first class was 0 but less than 10, the frequency of the fifth class would be ________.<div style=padding-top: 35px>
Referring to Scenario 2-8, if a frequency distribution with equal sized classes was made from this
data, and the first class was "0 but less than 10," the frequency of the fifth class would be
________.
سؤال
SCENARIO 2-9
The frequency distribution below represents the rents of 250 randomly selected federally subsidized
apartments in a small town. SCENARIO 2-9 The frequency distribution below represents the rents of 250 randomly selected federally subsidized apartments in a small town.   Referring to Scenario 2-9, ________ percent of the apartments rented for at least $1,300.<div style=padding-top: 35px>
Referring to Scenario 2-9, ________ percent of the apartments rented for at least $1,300.
سؤال
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, if a frequency distribution with equal sized classes was made from this data, and the first class was 0 but less than 10, the class midpoint of the third class would be ________.<div style=padding-top: 35px>
Referring to Scenario 2-8, if a frequency distribution with equal sized classes was made from this
data, and the first class was "0 but less than 10," the class midpoint of the third class would be
________.
سؤال
SCENARIO 2-9
The frequency distribution below represents the rents of 250 randomly selected federally subsidized
apartments in a small town. SCENARIO 2-9 The frequency distribution below represents the rents of 250 randomly selected federally subsidized apartments in a small town.   Referring to Scenario 2-9, the relative frequency of the second class is ________.<div style=padding-top: 35px>
Referring to Scenario 2-9, the relative frequency of the second class is ________.
سؤال
SCENARIO 2-10
The histogram below represents scores achieved by 200 job applicants on a personality profile. SCENARIO 2-10 The histogram below represents scores achieved by 200 job applicants on a personality profile.   Referring to the histogram from Scenario 2-10, _______ percent of the applicants scored below 20 or at least 50.<div style=padding-top: 35px>
Referring to the histogram from Scenario 2-10, _______ percent of the applicants scored below
20 or at least 50.
سؤال
SCENARIO 2-10
The histogram below represents scores achieved by 200 job applicants on a personality profile. SCENARIO 2-10 The histogram below represents scores achieved by 200 job applicants on a personality profile.   Referring to the histogram from Scenario 2-10, _______ percent of the applicants scored between 20 and below 50.<div style=padding-top: 35px>
Referring to the histogram from Scenario 2-10, _______ percent of the applicants scored between
20 and below 50.
سؤال
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, if a frequency distribution with equal sized classes was made from this data, and the first class was 0 but less than 10, the cumulative percentage of the next-to-last class would be ________.<div style=padding-top: 35px>
Referring to Scenario 2-8, if a frequency distribution with equal sized classes was made from this
data, and the first class was "0 but less than 10," the cumulative percentage of the next-to-last
class would be ________.
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Deck 2: Organizing and Visualizing
1
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, if 100 calls were randomly sampled, how many calls lasted 15 minutes or longer?

A) 10
B) 14
C) 26
D) 74
26
2
SCENARIO 2-4
A survey was conducted to determine how people rated the quality of programming available on
television. Respondents were asked to rate the overall quality from 0 (no quality at all) to 100
(extremely good quality). The stem-and-leaf display of the data is shown below.  Stem  Leaves 32440347899950112345612566701892\begin{array} { l l } \text { Stem } & \text { Leaves } \\\hline 3 & 24 \\4 & 03478999 \\5 & 0112345 \\6 & 12566 \\7 & 01 \\8 & \\9 & 2\end{array}

-Referring to Scenario 2-4, what percentage of the respondents rated overall television quality with a rating of 80 or above?

A) 0
B) 4
C) 96
D) 100
4
3
SCENARIO 2-2
At a meeting of information systems officers for regional offices of a national company, a survey was
taken to determine the number of employees the officers supervise in the operation of their
departments, where X is the number of employees overseen by each information systems officer. Xf17253114859\begin{array} { l r } X & f \\\hline 1 & 7 \\2 & 5 \\3 & 11 \\4 & 8 \\5 & 9\end{array}

-Referring to Scenario 2-2, across all of the regional offices, how many total employees were supervised by those surveyed?

A) 15
B) 40
C) 127
D) 200
127
4
The width of each bar in a histogram corresponds to the

A) differences between the boundaries of the class.
B) number of observations in each class.
C) midpoint of each class.
D) percentage of observations in each class.
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5
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, if 1,000 calls were randomly sampled, how many calls lasted under 10 minutes?

A) 220
B) 370
C) 410
D) 590
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6
When constructing charts, the following is plotted at the class midpoints:

A) frequency histograms.
B) percentage polygons.
C) cumulative percentage polygon (ogives).
D) All of the above.
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7
SCENARIO 2-2
At a meeting of information systems officers for regional offices of a national company, a survey was
taken to determine the number of employees the officers supervise in the operation of their
departments, where X is the number of employees overseen by each information systems officer. Xf17253114859\begin{array} { l r } X & f \\\hline 1 & 7 \\2 & 5 \\3 & 11 \\4 & 8 \\5 & 9\end{array}

-Referring to Scenario 2-2, how many regional offices are represented in the survey results?

A) 5
B) 11
C) 15
D) 40
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8
A professor of economics at a small Texas university wanted to determine what year in school students were taking his tough economics course. Shown below is a pie chart of the results. What
Percentage of the class took the course prior to reaching their senior year? <strong>A professor of economics at a small Texas university wanted to determine what year in school students were taking his tough economics course. Shown below is a pie chart of the results. What Percentage of the class took the course prior to reaching their senior year?  </strong> A) 14% B) 44% C) 54% D) 86%

A) 14%
B) 44%
C) 54%
D) 86%
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9
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, what is the cumulative relative frequency for the percentage of calls that lasted 10 minutes or more?

A) 0.16
B) 0.24
C) 0.41
D) 0.90
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10
SCENARIO 2-1
An insurance company evaluates many numerical variables about a person before deciding on an
appropriate rate for automobile insurance. A representative from a local insurance agency selected a
random sample of insured drivers and recorded, X, the number of claims each made in the last 3
years, with the following results. Xf1142183124551\begin{array} { r r } X & f \\\hline \hline 1 & 14 \\2 & 18 \\3 & 12 \\4 & 5 \\5 & 1\end{array}

-Referring to Scenario 2-1, how many drivers are represented in the sample?

A) 5
B) 15
C) 18
D) 50
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11
A type of vertical bar chart in which the categories are plotted in the descending rank order of the magnitude of their frequencies is called a

A) contingency table.
B) Pareto chart.
C) stem-and-leaf display.
D) pie chart.
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12
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, what is the width of each class?

A) 1 minute
B) 5 minutes
C) 2%
D) 100%
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13
Referring to Scenario 2-1, how many total claims are represented in the sample?

A) 15
B) 50
C) 111
D) 250
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14
SCENARIO 2-4
A survey was conducted to determine how people rated the quality of programming available on
television. Respondents were asked to rate the overall quality from 0 (no quality at all) to 100
(extremely good quality). The stem-and-leaf display of the data is shown below.  Stem  Leaves 32440347899950112345612566701892\begin{array} { l l } \text { Stem } & \text { Leaves } \\\hline 3 & 24 \\4 & 03478999 \\5 & 0112345 \\6 & 12566 \\7 & 01 \\8 & \\9 & 2\end{array}

-Referring to Scenario 2-4, what percentage of the respondents rated overall television quality with a rating of 50 or below?

A) 11
B) 40
C) 44
D) 56
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15
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, what is the cumulative relative frequency for the percentage of calls that lasted under 20 minutes?

A) 0.10
B) 0.59
C) 0.76
D) 0.84
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16
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, if 10 calls lasted 30 minutes or more, how many calls lasted less than 5 minutes?

A) 10
B) 185
C) 295
D) 500
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17
When polygons or histograms are constructed, which axis must show the true zero or "origin"?

A) The horizontal axis.
B) The vertical axis.
C) Both the horizontal and vertical axes.
D) Neither the horizontal nor the vertical axis.
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18
SCENARIO 2-3
Every spring semester, the School of Business coordinates a luncheon with local business leaders for
graduating seniors, their families, and friends. Corporate sponsorship pays for the lunches of each of
the seniors, but students have to purchase tickets to cover the cost of lunches served to guests they
bring with them. The following histogram represents the attendance at the senior luncheon, where X is
the number of guests each graduating senior invited to the luncheon and f is the number of graduating
seniors in each category. <strong>SCENARIO 2-3 Every spring semester, the School of Business coordinates a luncheon with local business leaders for graduating seniors, their families, and friends. Corporate sponsorship pays for the lunches of each of the seniors, but students have to purchase tickets to cover the cost of lunches served to guests they bring with them. The following histogram represents the attendance at the senior luncheon, where X is the number of guests each graduating senior invited to the luncheon and f is the number of graduating seniors in each category.   Referring to the histogram from Scenario 2-3, if all the tickets purchased were used, how many guests attended the luncheon?</strong> A) 4 B) 152 C) 275 D) 388
Referring to the histogram from Scenario 2-3, if all the tickets purchased were used, how many guests attended the luncheon?

A) 4
B) 152
C) 275
D) 388
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19
SCENARIO 2-4
A survey was conducted to determine how people rated the quality of programming available on
television. Respondents were asked to rate the overall quality from 0 (no quality at all) to 100
(extremely good quality). The stem-and-leaf display of the data is shown below.  Stem  Leaves 32440347899950112345612566701892\begin{array} { l l } \text { Stem } & \text { Leaves } \\\hline 3 & 24 \\4 & 03478999 \\5 & 0112345 \\6 & 12566 \\7 & 01 \\8 & \\9 & 2\end{array}

-Referring to Scenario 2-4, what percentage of the respondents rated overall television quality with a rating from 50 through 75?

A) 11
B) 40
C) 44
D) 56
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20
SCENARIO 2-3
Every spring semester, the School of Business coordinates a luncheon with local business leaders for
graduating seniors, their families, and friends. Corporate sponsorship pays for the lunches of each of
the seniors, but students have to purchase tickets to cover the cost of lunches served to guests they
bring with them. The following histogram represents the attendance at the senior luncheon, where X is
the number of guests each graduating senior invited to the luncheon and f is the number of graduating
seniors in each category. <strong>SCENARIO 2-3 Every spring semester, the School of Business coordinates a luncheon with local business leaders for graduating seniors, their families, and friends. Corporate sponsorship pays for the lunches of each of the seniors, but students have to purchase tickets to cover the cost of lunches served to guests they bring with them. The following histogram represents the attendance at the senior luncheon, where X is the number of guests each graduating senior invited to the luncheon and f is the number of graduating seniors in each category.   Referring to the histogram from Scenario 2-3, how many graduating seniors attended the luncheon?</strong> A) 4 B) 152 C) 275 D) 388
Referring to the histogram from Scenario 2-3, how many graduating seniors attended the luncheon?

A) 4
B) 152
C) 275
D) 388
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21
Data on the number of part-time hours students at a public university worked in a week were collected. Which of the following is the best chart for presenting the information?

A) A pie chart.
B) A Pareto chart.
C) A percentage table.
D) A percentage polygon.
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22
Data on 1,500 students' height were collected at a larger university in the East Coast. Which of the following is the best chart for presenting the information?

A) A pie chart.
B) A Pareto chart.
C) A side-by-side bar chart.
D) A histogram.
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23
You have collected data on the responses to two questions asked in a survey of 40 college students majoring in business-What is your gender (Male = M; Female = F) and What is your
Major (Accountancy = A; Computer Information Systems = C; Marketing = M). Which of the
Following is the best for presenting the data?

A) A contingency table.
B) A stem-and-leaf display
C) A time-series plot.
D) A Pareto chart.
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24
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, if 100 calls were randomly sampled, _______ of them would have lasted at least 15 minutes but less than 20 minutes

A) 6
B) 8
C) 10
D) 16
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25
Which of the following is appropriate for displaying data collected on the different brands of cars students at a major university drive?

A) A Pareto chart
B) A two-way classification table
C) A histogram
D) A scatter plot
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26
When studying the simultaneous responses to two categorical questions, you should set up a

A) contingency table.
B) frequency distribution table.
C) cumulative percentage distribution table.
D) histogram.
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27
SCENARIO 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether
they went bar hopping the weekend before the midterm or spent the weekend studying, and whether
they did well or poorly on the midterm. The following table contains the result.  Did Well in Midterm  Did Poorly in Midterm  Studying for Exam 8020 Went Bar Hopping 3070\begin{array} { | l | l | l | } \hline & \text { Did Well in Midterm } & \text { Did Poorly in Midterm } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went Bar Hopping } & 30 & 70 \\\hline\end{array}

-Referring to Scenario 2-6, of those who went bar hopping the weekend before the midterm in the sample, _______ percent of them did well on the midterm.

A) 15
B) 27.27
C) 30
D) 55
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28
You have collected information on the market share of 5 different search engines used by U.S. Internet users in a particular quarter. Which of the following is the best for presenting the
Information?

A) A pie chart.
B) A histogram
C) A stem-and-leaf display.
D) A contingency table.
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29
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, if 100 calls were sampled, _______ of them would have lasted less than 5 minutes or at least 30 minutes or more.

A) 35
B) 37
C) 39
D) None of the above.
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30
One of the developing countries is experiencing a baby boom, with the number of births rising for the fifth year in a row, according to a BBC News report. Which of the following is best for
Displaying this data?

A) A Pareto chart
B) A two-way classification table
C) A histogram
D) A time-series plot
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31
You have collected information on the consumption by the 15 largest coffee-consuming nations. Which of the following is the best for presenting the shares of the consumption?

A) A pie chart.
B) A Pareto chart
C) A side-by-side bar chart.
D) A contingency table.
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32
SCENARIO 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether
they went bar hopping the weekend before the midterm or spent the weekend studying, and whether
they did well or poorly on the midterm. The following table contains the result.  Did Well in Midterm  Did Poorly in Midterm  Studying for Exam 8020 Went Bar Hopping 3070\begin{array} { | l | l | l | } \hline & \text { Did Well in Midterm } & \text { Did Poorly in Midterm } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went Bar Hopping } & 30 & 70 \\\hline\end{array}

-Referring to Scenario 2-6, of those who did well on the midterm in the sample, _______ percent of them went bar hopping the weekend before the midterm.

A) 15
B) 27.27
C) 30
D) 50
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33
You have collected data on the number of U.S. households actively using online banking and/or online bill payment over a 10-year period. Which of the following is the best for presenting the
Data?

A) A pie chart.
B) A stem-and-leaf display
C) A side-by-side bar chart.
D) A time-series plot.
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34
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, if 100 calls were sampled, _______of them would have lasted 20 minutes or more.

A) 26
B) 16
C) 74
D) None of the above.
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35
Data on the number of credit hours of 20,000 students at a public university enrolled in a Spring semester were collected. Which of the following is the best for presenting the information?

A) A pie chart.
B) A Pareto chart.
C) A stem-and-leaf display.
D) A contingency table.
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36
A survey of 150 executives were asked what they think is the most common mistake candidates make during job interviews. Six different mistakes were given. Which of the
Following is the best for presenting the information?

A) A bar chart.
B) A histogram
C) A stem-and-leaf display.
D) A contingency table.
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37
You have collected data on the approximate retail price (in $) and the energy cost per year (in $) of 15 refrigerators. Which of the following is the best for presenting the data?

A) A pie chart.
B) A scatter plot
C) A side-by-side bar chart.
D) A contingency table.
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38
You have collected data on the number of complaints for 6 different brands of automobiles sold in the US over a 10-year period. Which of the following is the best for presenting the data?

A) A contingency table.
B) A stem-and-leaf display
C) A time-series plot.
D) A side-by-side bar chart.
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39
You have collected data on the monthly seasonally adjusted civilian unemployment rate for the United States over a 10-year period. Which of the following is the best for presenting the data?

A) A contingency table.
B) A stem-and-leaf display
C) A time-series plot.
D) A side-by-side bar chart.
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40
SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the
continental United States reported by one long-distance carrier.  Time (in Minutes)  Relative  Frequency 0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more 0.02\begin{array} { l l } \text { Time (in Minutes) } & \begin{array} { l } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}

-Referring to Scenario 2-5, if 100 calls were sampled, _______ of them would have lasted less than 15 minutes.

A) 26
B) 74
C) 10
D) None of the above.
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41
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, ________ of the 100 members visited the health club at least 52 times in a year.
Referring to Scenario 2-8, ________ of the 100 members visited the health club at least 52 times
in a year.
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42
SCENARIO 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether
they went bar hopping the weekend before the midterm or spent the weekend studying, and whether
they did well or poorly on the midterm. The following table contains the result.  Did Well in Midterm  Did Poorly in Midterm  Studying for Exam 8020 Went Bar Hopping 3070\begin{array} { | l | l | l | } \hline & \text { Did Well in Midterm } & \text { Did Poorly in Midterm } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went Bar Hopping } & 30 & 70 \\\hline\end{array}

-Referring to Scenario 2-6, if the sample is a good representation of the population, we can expect _______ percent of those who did poorly on the midterm to have spent the weekend studying.

A) 10
B) 22.22
C) 45
D) 50
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
43
SCENARIO 2-7
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit
is filed and when the case is actually adjudicated for 50 cases heard in superior court.
S SCENARIO 2-7 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. S   Referring to Scenario 2-7, the civil suit with the longest wait between when the suit was filed and when it was adjudicated had a wait of ________ months.
Referring to Scenario 2-7, the civil suit with the longest wait between when the suit was filed and
when it was adjudicated had a wait of ________ months.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
44
SCENARIO 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether
they went bar hopping the weekend before the midterm or spent the weekend studying, and whether
they did well or poorly on the midterm. The following table contains the result.  Did Well in Midterm  Did Poorly in Midterm  Studying for Exam 8020 Went Bar Hopping 3070\begin{array} { | l | l | l | } \hline & \text { Did Well in Midterm } & \text { Did Poorly in Midterm } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went Bar Hopping } & 30 & 70 \\\hline\end{array}

-Referring to Scenario 2-6, _______ percent of the students in the sample spent the weekend studying and did well on the midterm.

A) 40
B) 50
C) 72.72
D) 80
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
45
SCENARIO 2-7
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit
is filed and when the case is actually adjudicated for 50 cases heard in superior court.
S SCENARIO 2-7 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. S   Referring to Scenario 2-7, if a frequency distribution with equal sized classes was made from this data, and the first class was 10 but less than 20, the relative frequency of the third class would be ________.
Referring to Scenario 2-7, if a frequency distribution with equal sized classes was made from
this data, and the first class was "10 but less than 20," the relative frequency of the third class
would be ________.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
46
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, the person who visited the health club more than anyone else in the sample visited the facility ________ times.
Referring to Scenario 2-8, the person who visited the health club more than anyone else in the
sample visited the facility ________ times.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
47
SCENARIO 2-7
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit
is filed and when the case is actually adjudicated for 50 cases heard in superior court.
S SCENARIO 2-7 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. S   Referring to Scenario 2-7, ________ percent of the cases were not adjudicated within the first 4 years.
Referring to Scenario 2-7, ________ percent of the cases were not adjudicated within the first 4
years.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
48
In a contingency table, the number of rows and columns

A) must always be the same.
B) must always be 2.
C) must add to 100%.
D) None of the above.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
49
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, ________ of the 100 members visited the health club no more than 12 times in a year.
Referring to Scenario 2-8, ________ of the 100 members visited the health club no more than 12
times in a year.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
50
SCENARIO 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether
they went bar hopping the weekend before the midterm or spent the weekend studying, and whether
they did well or poorly on the midterm. The following table contains the result.  Did Well in Midterm  Did Poorly in Midterm  Studying for Exam 8020 Went Bar Hopping 3070\begin{array} { | l | l | l | } \hline & \text { Did Well in Midterm } & \text { Did Poorly in Midterm } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went Bar Hopping } & 30 & 70 \\\hline\end{array}

-Referring to Scenario 2-6, if the sample is a good representation of the population, we can expect _______ percent of the students in the population to spend the weekend studying and do poorly
On the midterm.

A) 10
B) 20
C) 45
D) 50
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
51
SCENARIO 2-7
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit
is filed and when the case is actually adjudicated for 50 cases heard in superior court.
S SCENARIO 2-7 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. S   Referring to Scenario 2-7, locate the first leaf, i.e., the lowest valued leaf with the lowest valued stem. This represents a wait of ________ months.
Referring to Scenario 2-7, locate the first leaf, i.e., the lowest valued leaf with the lowest valued
stem. This represents a wait of ________ months.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
52
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, the person who has the largest leaf associated with the smallest stem visited the facility ________ times.
Referring to Scenario 2-8, the person who has the largest leaf associated with the smallest stem
visited the facility ________ times.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
53
SCENARIO 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether
they went bar hopping the weekend before the midterm or spent the weekend studying, and whether
they did well or poorly on the midterm. The following table contains the result.  Did Well in Midterm  Did Poorly in Midterm  Studying for Exam 8020 Went Bar Hopping 3070\begin{array} { | l | l | l | } \hline & \text { Did Well in Midterm } & \text { Did Poorly in Midterm } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went Bar Hopping } & 30 & 70 \\\hline\end{array}

-Referring to Scenario 2-6, if the sample is a good representation of the population, we can expect _______ percent of those who spent the weekend studying to do poorly on the midterm.

A) 10
B) 20
C) 45
D) 50
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
54
SCENARIO 2-7
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit
is filed and when the case is actually adjudicated for 50 cases heard in superior court.
S SCENARIO 2-7 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. S   Referring to Scenario 2-7, if a frequency distribution with equal sized classes was made from this data, and the first class was 10 but less than 20, the cumulative percentage of the second class would be ________.
Referring to Scenario 2-7, if a frequency distribution with equal sized classes was made from this
data, and the first class was "10 but less than 20," the cumulative percentage of the second class
would be ________.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
55
SCENARIO 2-7
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit
is filed and when the case is actually adjudicated for 50 cases heard in superior court.
S SCENARIO 2-7 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. S   Referring to Scenario 2-7, if a frequency distribution with equal sized classes was made from this data, and the first class was 10 but less than 20, the frequency of that class would be ________.
Referring to Scenario 2-7, if a frequency distribution with equal sized classes was made from this
data, and the first class was "10 but less than 20," the frequency of that class would be ________.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
56
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, the person who visited the health club less than anyone else in the sample visited the facility ________ times.
Referring to Scenario 2-8, the person who visited the health club less than anyone else in the
sample visited the facility ________ times.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
57
SCENARIO 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether
they went bar hopping the weekend before the midterm or spent the weekend studying, and whether
they did well or poorly on the midterm. The following table contains the result.  Did Well in Midterm  Did Poorly in Midterm  Studying for Exam 8020 Went Bar Hopping 3070\begin{array} { | l | l | l | } \hline & \text { Did Well in Midterm } & \text { Did Poorly in Midterm } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went Bar Hopping } & 30 & 70 \\\hline\end{array}

-Referring to Scenario 2-6, _______ percent of the students in the sample went bar hopping the weekend before the midterm and did well on the midterm.

A) 15
B) 27.27
C) 30
D) 50
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
58
SCENARIO 2-7
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit
is filed and when the case is actually adjudicated for 50 cases heard in superior court.
S SCENARIO 2-7 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. S   Referring to Scenario 2-7, ________ percent of the cases were adjudicated within the first 2 years.
Referring to Scenario 2-7, ________ percent of the cases were adjudicated within the first 2
years.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
59
Retailers are always interested in determining why a customer selected their store to make a purchase. A sporting goods retailer conducted a customer survey to determine why its customers
Shopped at the store. The results are shown in the bar chart below. What proportion of the
Customers responded that they shopped at the store because of the merchandise or the
Convenience? <strong>Retailers are always interested in determining why a customer selected their store to make a purchase. A sporting goods retailer conducted a customer survey to determine why its customers Shopped at the store. The results are shown in the bar chart below. What proportion of the Customers responded that they shopped at the store because of the merchandise or the Convenience?  </strong> A) 35% B) 50% C) 65% D) 85%

A) 35%
B) 50%
C) 65%
D) 85%
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
60
SCENARIO 2-7
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit
is filed and when the case is actually adjudicated for 50 cases heard in superior court.
S SCENARIO 2-7 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. S   Referring to Scenario 2-7, the civil suit with the fourth shortest waiting time between when the suit was filed and when it was adjudicated had a wait of ________ months.
Referring to Scenario 2-7, the civil suit with the fourth shortest waiting time between when the
suit was filed and when it was adjudicated had a wait of ________ months.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
61
SCENARIO 2-11
The ordered array below resulted from selecting a sample of 25 batches of 500 computer chips and
determining how many in each batch were defective. SCENARIO 2-11 The ordered array below resulted from selecting a sample of 25 batches of 500 computer chips and determining how many in each batch were defective.   Referring to Scenario 2-11, if a frequency distribution for the defects data is constructed, using 0 but less than 5 as the first class, the frequency of the 20 but less than 25 class would be ________.
Referring to Scenario 2-11, if a frequency distribution for the defects data is constructed, using "0
but less than 5" as the first class, the frequency of the "20 but less than 25" class would be
________.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
62
SCENARIO 2-10
The histogram below represents scores achieved by 200 job applicants on a personality profile. SCENARIO 2-10 The histogram below represents scores achieved by 200 job applicants on a personality profile.   Referring to the histogram from Scenario 2-10, the number of job applicants who scored 50 or above is _______.
Referring to the histogram from Scenario 2-10, the number of job applicants who scored 50 or
above is _______.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
63
SCENARIO 2-9
The frequency distribution below represents the rents of 250 randomly selected federally subsidized
apartments in a small town. SCENARIO 2-9 The frequency distribution below represents the rents of 250 randomly selected federally subsidized apartments in a small town.   Referring to Scenario 2-9, ________ percent of the apartments rented for $1,400 or more.
Referring to Scenario 2-9, ________ percent of the apartments rented for $1,400 or more.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
64
SCENARIO 2-10
The histogram below represents scores achieved by 200 job applicants on a personality profile. SCENARIO 2-10 The histogram below represents scores achieved by 200 job applicants on a personality profile.   Referring to the histogram from Scenario 2-10, the number of job applicants who scored between 30 and below 60 is _______.
Referring to the histogram from Scenario 2-10, the number of job applicants who scored between
30 and below 60 is _______.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
65
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, if a frequency distribution with equal sized classes was made from this data, and the first class was 0 but less than 10, the relative frequency of the last class would be ________.
Referring to Scenario 2-8, if a frequency distribution with equal sized classes was made from this
data, and the first class was "0 but less than 10," the relative frequency of the last class would be
________.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
66
SCENARIO 2-9
The frequency distribution below represents the rents of 250 randomly selected federally subsidized
apartments in a small town. SCENARIO 2-9 The frequency distribution below represents the rents of 250 randomly selected federally subsidized apartments in a small town.   Referring to Scenario 2-9, ________ apartments rented for at least $1,200 but less than $1,400.
Referring to Scenario 2-9, ________ apartments rented for at least $1,200 but less than $1,400.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
67
SCENARIO 2-10
The histogram below represents scores achieved by 200 job applicants on a personality profile. SCENARIO 2-10 The histogram below represents scores achieved by 200 job applicants on a personality profile.   Referring to the histogram from Scenario 2-10, ________ percent of the job applicants scored below 50.
Referring to the histogram from Scenario 2-10, ________ percent of the job applicants scored
below 50.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
68
SCENARIO 2-9
The frequency distribution below represents the rents of 250 randomly selected federally subsidized
apartments in a small town. SCENARIO 2-9 The frequency distribution below represents the rents of 250 randomly selected federally subsidized apartments in a small town.   Referring to Scenario 2-9, the class midpoint of the second class is ________.
Referring to Scenario 2-9, the class midpoint of the second class is ________.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
69
SCENARIO 2-10
The histogram below represents scores achieved by 200 job applicants on a personality profile. SCENARIO 2-10 The histogram below represents scores achieved by 200 job applicants on a personality profile.   Referring to the histogram from Scenario 2-10, ________ percent of the job applicants scored between 10 and 20.
Referring to the histogram from Scenario 2-10, ________ percent of the job applicants scored
between 10 and 20.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
70
SCENARIO 2-10
The histogram below represents scores achieved by 200 job applicants on a personality profile. SCENARIO 2-10 The histogram below represents scores achieved by 200 job applicants on a personality profile.   Referring to the histogram from Scenario 2-10, 90% of the job applicants scored above or equal to ________.
Referring to the histogram from Scenario 2-10, 90% of the job applicants scored above or equal
to ________.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
71
SCENARIO 2-11
The ordered array below resulted from selecting a sample of 25 batches of 500 computer chips and
determining how many in each batch were defective. SCENARIO 2-11 The ordered array below resulted from selecting a sample of 25 batches of 500 computer chips and determining how many in each batch were defective.   Referring to Scenario 2-11, if a frequency distribution for the defects data is constructed, using 0 but less than 5 as the first class, the relative frequency of the 15 but less than 20 class would be ________.
Referring to Scenario 2-11, if a frequency distribution for the defects data is constructed, using "0
but less than 5" as the first class, the relative frequency of the "15 but less than 20" class would
be ________.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
72
SCENARIO 2-10
The histogram below represents scores achieved by 200 job applicants on a personality profile. SCENARIO 2-10 The histogram below represents scores achieved by 200 job applicants on a personality profile.   Referring to the histogram from Scenario 2-10, half of the job applicants scored below ________.
Referring to the histogram from Scenario 2-10, half of the job applicants scored below ________.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
73
SCENARIO 2-9
The frequency distribution below represents the rents of 250 randomly selected federally subsidized
apartments in a small town. SCENARIO 2-9 The frequency distribution below represents the rents of 250 randomly selected federally subsidized apartments in a small town.   Referring to Scenario 2-9, the percentage of apartments renting for less than $1,400 is ________.
Referring to Scenario 2-9, the percentage of apartments renting for less than $1,400 is ________.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
74
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, if a frequency distribution with equal sized classes was made from this data, and the first class was 0 but less than 10, the frequency of the fifth class would be ________.
Referring to Scenario 2-8, if a frequency distribution with equal sized classes was made from this
data, and the first class was "0 but less than 10," the frequency of the fifth class would be
________.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
75
SCENARIO 2-9
The frequency distribution below represents the rents of 250 randomly selected federally subsidized
apartments in a small town. SCENARIO 2-9 The frequency distribution below represents the rents of 250 randomly selected federally subsidized apartments in a small town.   Referring to Scenario 2-9, ________ percent of the apartments rented for at least $1,300.
Referring to Scenario 2-9, ________ percent of the apartments rented for at least $1,300.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
76
SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, if a frequency distribution with equal sized classes was made from this data, and the first class was 0 but less than 10, the class midpoint of the third class would be ________.
Referring to Scenario 2-8, if a frequency distribution with equal sized classes was made from this
data, and the first class was "0 but less than 10," the class midpoint of the third class would be
________.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.
فتح الحزمة
k this deck
77
SCENARIO 2-9
The frequency distribution below represents the rents of 250 randomly selected federally subsidized
apartments in a small town. SCENARIO 2-9 The frequency distribution below represents the rents of 250 randomly selected federally subsidized apartments in a small town.   Referring to Scenario 2-9, the relative frequency of the second class is ________.
Referring to Scenario 2-9, the relative frequency of the second class is ________.
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SCENARIO 2-10
The histogram below represents scores achieved by 200 job applicants on a personality profile. SCENARIO 2-10 The histogram below represents scores achieved by 200 job applicants on a personality profile.   Referring to the histogram from Scenario 2-10, _______ percent of the applicants scored below 20 or at least 50.
Referring to the histogram from Scenario 2-10, _______ percent of the applicants scored below
20 or at least 50.
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SCENARIO 2-10
The histogram below represents scores achieved by 200 job applicants on a personality profile. SCENARIO 2-10 The histogram below represents scores achieved by 200 job applicants on a personality profile.   Referring to the histogram from Scenario 2-10, _______ percent of the applicants scored between 20 and below 50.
Referring to the histogram from Scenario 2-10, _______ percent of the applicants scored between
20 and below 50.
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SCENARIO 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100
"lifetime" members of a health club actually visited the facility. SCENARIO 2-8 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 lifetime members of a health club actually visited the facility.   Referring to Scenario 2-8, if a frequency distribution with equal sized classes was made from this data, and the first class was 0 but less than 10, the cumulative percentage of the next-to-last class would be ________.
Referring to Scenario 2-8, if a frequency distribution with equal sized classes was made from this
data, and the first class was "0 but less than 10," the cumulative percentage of the next-to-last
class would be ________.
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افتح القفل للوصول البطاقات البالغ عددها 256 في هذه المجموعة.