Deck 2: Charts and Graphs

Question 1

In contrast to quantitative data graphs that are plotted along a numerical scale,qualitative graphs are plotted using non-numerical categories.

Answer 1

True

Question 2

One advantage of a stem and leaf plot over a frequency distribution is that the values of the original data are retained.

Answer 2

True

Question 3

A cumulative frequency distribution provides a running total of the frequencies in the classes.

Answer 3

True

Question 4

In a histogram,the tallest bar represents the class with the highest cumulative frequency.

Question 5

For any given data set,a frequency distribution with a larger number of classes will always be better than the one with a smaller number of classes.

Question 6

Dot Plots are mainly used to display a large data set.

Question 7

A scatter plot is a two-dimensional graph plot of data containing pairs of observations on two numerical variables.

Question 8

A cumulative frequency polygon is also called an ogive.

Question 9

A scatter plot shows how the numbers in a data set are scattered around their average.

Question 10

A graphical representation of a frequency distribution is called a pie chart.

Question 11

If the individual class frequency is divided by the total frequency,the result is the median frequency.

Question 12

A scatter plot is useful for examining the relationship between two numerical variables.

Question 13

One rule that must always be followed in constructing frequency distributions is that the adjacent classes must overlap.

Question 14

A Pareto chart and a pie chart are both types of qualitative graphs.

Question 15

The difference between the highest number and the lowest number in a set of data is called the differential frequency.

Question 16

A histogram can be described as a type of vertical bar chart.

Question 17

A summary of data in which raw data are grouped into different intervals and the number of items in each group is listed is called a frequency distribution.

Question 18

An instructor made a frequency table of the scores his students got on a test Score Frequency
30-under 40 1
40-under 50 4
50-under 60 5
60-under 70 10
70-under 80 20
80-under 90 10
90-under 100 5
The midpoint of the last class interval is _________.

A)90
B)5
C)95
D)100
E)50

Question 19

An instructor made a frequency table of the scores his students got on a test Score Frequency
30-under 40 1
40-under 50 4
50-under 60 5
60-under 70 10
70-under 80 20
80-under 90 10
90-under 100 5
Approximately what percent of students got more than 70?

A)36
B)20
C)50
D)10
E)64

Question 20

For a company in gardening supplies business,the best graphical way to show the percentage of a total budget that is spent on each of a number of different expense categories is the stem and leaf plot.

Question 21

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. The percentage of walk-in customers waiting more than 6 minutes was ______.

A)22%
B)11%
C)67%
D)10%
E)75%

Question 22

Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows. The percentage of sales transactions on Saturday that were between $100 and $150 was _____________.

A)20%
B)40%
C)60%
D)80%
E)10%

Question 23

The following represent the ages of students in a class: 19,23,21,19,19,20,22,31,21,20
If a stem and leaf plot were to be developed from this,how many stems would there be?

A)2
B)3
C)4
D)5
E)10

Question 24

Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows. The total number of sales transactions on Saturday was _____________.

A)200
B)500
C)300
D)100
E)400

Question 25

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. The total number of walk-in customers included in the study was _________.

A)100
B)250
C)300
D)450
E)500

Question 26

Each day,the manager at Jamie's Auto Care Shop prepares a frequency distribution and a histogram of sales transactions by dollar value of the transactions.Friday's histogram follows. On Friday,the approximate number of sales transactions in the 75-under 100 category was _____________.

A)50
B)100
C)150
D)200
E)60

Question 27

Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows. The percentage of sales transactions on Saturday that were at least $100 each was _____________.

A)100
B)10
C)80
D)20
E)15

Question 28

A recent survey of U.S.automobile owners showed the following preferences for exterior automobile colors: What type of graph is used to depict exterior automobile color preferences? a.Frequency polygon
B.Pareto chart
C.Bar graph
D.Ogive
E.Histogram

Question 29

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. The percentage of walk-in customers waiting one minute or less was _________.

A)22%
B)11%
C)67%
D)10%
E)5%

Question 30

The staff of Ms.Tamara Hill,VP of Technical Analysis at Blue Sky Brokerage,prepared a frequency histogram of market capitalization of the 937 corporations listed on the American Stock Exchange in January 2013. Approximately ________ corporations had capitalization exceeding $200,000,000.

A)50
B)100
C)700
D)800
E)890

Question 31

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a frequency histogram of waiting time for drive up ATM customers. Approximately _____ drive up ATM customers waited less than 2 minutes.

A)20
B)30
C)100
D)180
E)200

Question 32

Each day,the manager at Jamie's Auto Care prepares a frequency distribution and a histogram of sales transactions by dollar value of the transactions.Friday's histogram follows. On Friday,the approximate number of sales transactions between $150 and $175 was _____________.

A)75
B)200
C)300
D)400
E)500

Question 33

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a frequency histogram of waiting time for drive up ATM customers. Approximately ____ drive up ATM customers waited at least 7 minutes.

A)20
B)30
C)100
D)180
E)200

Question 34

The staff of Ms.Tamara Hill,VP of Technical Analysis at Blue Sky Brokerage,prepared a frequency histogram of market capitalization of the 937 corporations listed on the American Stock Exchange in January 2013. Approximately ________ corporations had capitalizations of $200,000,000 or less.

A)50
B)100
C)700
D)800
E)900

Question 35

Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows. The percentage of sales transactions on Saturday that were under $100 each was _____________.

A)100
B)10
C)80
D)20
E)15

Question 36

The staffs of the accounting and the quality control departments rated their respective supervisor's leadership style as either (1)authoritarian or (2)participatory.Sixty-eight percent of the accounting staff rated their supervisor "authoritarian," and thirty-two percent rated him "participatory." Forty percent of the quality control staff rated their supervisor "authoritarian," and sixty percent rated her "participatory." The best graphic depiction of these data would be two ___________________.

A)histograms
B)frequency polygons
C)ogives
D)pie charts
E)scatter plots

Question 37

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. The percentage of walk-in customers waiting between 1 and 6 minutes was ___.

A)22%
B)11%
C)37%
D)10%
E)67%

Question 38

The cumulative frequency for a class is 27.The cumulative frequency for the next (non-empty)class will be _______.

A)less than 27
B)equal to 27
C)next class frequency minus 27
D)27 minus the next class frequency
E)27 plus the next class frequency

Question 39

A recent survey of U.S.automobile owners showed the following preferences for exterior automobile colors: What are the top two color preferences for automobiles? a.White and Black
B.White and Red/ Maroon
C.White and Blue
D.White and Siver/Grey
E.White and Other

Question 40

An instructor has decided to graphically represent the grades on a test.The instructor uses a plus/minus grading system (i.e.she gives grades of A-,B+,etc.).Which of the following would provide the most information for the students?

A)A histogram
B)bar chart
C)A cumulative frequency distribution
D)A frequency distribution
E)A scatter plot

Question 41

According to the following graphic,"Bent Pins" account for ____% of PCB Failures.

A)10
B)20
C)30
D)40
E)50

Question 42

The following graphic of residential housing data (selling price and size in square feet)indicates _____________.

A)an inverse relation between the two variables
B)no relation between the two variables
C)a direct relation between the two variables
D)a negative exponential relation between the two variables
E)a sinusoidal relationship between the two variables

Question 43

According to the following graphic,the most common cause of PCB Failures is a _____________.

A)Cracked Trace
B)Bent Pin
C)Missing Part
D)Solder Bridge
E)Wrong Part

Question 44

The 2010 and 2012 market share data of the three competitors (Alston,Baren,and Clemson)in an oligopolistic industry are presented in the following pie charts.Total sales for this industry were $1.5 billion in 2010 and $1.8 billion in 2012. Baren's sales in 2010 were ___________.

A)$342 million
B)$630 million
C)$675 million
D)$828 million
E)$928 million

Question 45

The 2010 and 2012 market share data of the three competitors (Alston,Baren,and Clemson)in an oligopolistic industry are presented in the following pie charts. Which of the following is true?

A)Only Baren share.
B)Only Clemson lost market share.
C)Alston lost market share.
D)Baren lost market share.
E)All companies lost market share

Question 46

The 2010 and 2012 market share data of the three competitors (Alston,Baren,and Clemson)in an oligopolistic industry are presented in the following pie charts.Total sales for this industry were $1.5 billion in 2010 and $1.8 billion in 2012.Clemson's sales in 2010 were ___________.

A)$342 million
B)$630 million
C)$675 million
D)$828 million
E)$928 million

Question 47

The following graphic of residential housing data (selling price and size in square feet)is a _____________.

A)scatter plot
B)Pareto chart
C)pie chart
D)cumulative histogram
E)cumulative frequency distribuion

Question 48

The 2010 and 2012 market share data of the three competitors (Alston,Baren,and Clemson)in an oligopolistic industry are presented in the following pie charts. Which of the following may be a false statement?

A)Sales revenues declined at Clemson.
B)Only Clemson lost market share.
C)Alston gained market share.
D)Baren gained market share.
E)Both Alston and Baren gained market share

Question 49

The following graphic of PCB Failures is a _____________.

A)Scatter Plot
B)Pareto Chart
C)Pie Chart
D)Cumulative Histogram Chart
E)Line diagram

Question 50

The following is a bar chart of the self-reported race for 189 pregnant women. Approximately _____ percent of pregnant women are African-American

A)20
B)14
C)5
D)35
E)50

Question 51

Suppose a market survey of 200 consumers was conducted to determine the likelihood of each consumer purchasing a new computer next year.The data were collected based on the income
Level of the consumer and are shown below:
Using the table above,which of the following statements is true?
A.Wealthier consumers are more likely to purchase a computer next year.
B.Income does not seem to be related to likelihood of purchasing a computer next year.
C.The wealthier a consumer is the less likely they are to purchase a computer next year.
D.Individuals with greater than $120K are least likely to purchase a new computer next
Year.
E.None of the above statements are true.

Question 52

The following graphic of cigarettes smoked (sold)per capita (CIG)and deaths per 100K population from lung cancer (LUNG)indicates _________

A)a weak relation between the two variables
B)a pretty strong relation between the two variables
C)when the number of cigarettes smoked (sold)per capita (CIG)increases the deaths per 100K population from lung cancer (LUNG)decreases
D)a negative relation between the two variables
E)no relation between the two variables

Question 53

Suppose a market survey of 200 consumers was conducted to determine the likelihood of each consumer purchasing a new computer next year.The data were collected based on the age of the
Consumer and are shown below:
Using the table above,which of the following statements is true?
A.Younger consumers are more likely to purchase a computer next year.
B.Older consumers are more likely to purchase a computer next year.
C.There does not appear to be a relationship between age and purchasing a computer.
D.Individuals between 25 and 34 are most likely to purchase a new computer next year.
E.None of the above statements are true.

Question 54

The United Nations Development Programme website provides comparative data by country on key metrics,such metrics as life expectancy over time.The table below show data on life
Expectancy over time in the United States. Which of the following statements are not true based on the scatterplot of U.S.Life Expectancy
Over time?
A.The life expectancy in the U.S.is increasing over time.
B.U.S.citizens lived fewer years in 2010 than they did in in 2008.
C.The scatterplot shows an increasing trend in life expectancy in the U.S.
D.Based on the scatterplot,one can assume the life expectancy in 2014 will be higher
Than 78 years.
E.All of the above statements are true.

Question 55

The United Nations Development Programme website provides comparative data by country on key metrics.Two such metrics are life expectancy and expenditures on health as a percent of
GDP.The table below show data on life expectancy and health expenditures in the United States.
Which of the following scatterplots best depicts the relationship between life expectancy and
Expenditures on health as a percent of GDP?
A. b. c. d.