Deck 2: Charts and Graphs

Question 1

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

Answer 1

True

Question 2

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

Answer 2

True

Question 3

An instructor made a frequency table of the scores his students got on a test Approximately what percent of students got more than 70?

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

Answer 3

E

Question 4

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

Question 5

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

Question 6

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

Question 7

An instructor made a frequency table of the scores his students got on a test The midpoint of the last class interval is _________.

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

Question 8

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

Question 9

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

Question 10

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

Question 11

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 12

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 13

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

Question 14

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

Question 15

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

Question 16

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

Question 17

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

Question 18

A cumulative frequency polygon is also called an ogive.

Question 19

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

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

Consider the following frequency distribution: What is the relative frequency of the second class interval?

A) 0.45
B) 0.70
C) 0.30
D) 0.33
E) 0.50

Question 22

The number of phone calls arriving at a switchboard each hour has been recorded,and the following frequency distribution has been developed.

A) 80
B) 100
C) 95
D) 90
E) 85

Question 23

Abel Alonzo,Director of Human Resources,is exploring employee absenteeism at the Harrison Haulers Plant during the last operating year. A review of all personnel records indicated that absences ranged from zero to twenty-nine days per employee. The following class intervals were proposed for a frequency distribution of absences. Which of the following might represent a problem with this set of intervals?

A) There are too few intervals.
B) Some numbers between 0 and 29 would not fall into any interval.
C) The first and second interval overlaps.
D) There are too many intervals.
E) The second and the third interval overlap.

Question 24

The number of phone calls arriving at a switchboard each hour has been recorded,and the following frequency distribution has been developed. What is the cumulative frequency of the third class?

A) 80
B) 0.40
C) 155
D) 75
E) 105

Question 25

Abel Alonzo,Director of Human Resources,is exploring employee absenteeism at the Harrison Haulers Plant during the last operating year. A review of all personnel records indicated that absences ranged from zero to twenty-nine days per employee. The following class intervals were proposed for a frequency distribution of absences. Which of the following represents a problem with this set of intervals?

A) There are too few intervals.
B) Some numbers between 0 and 29, inclusively, would not fall into any interval.
C) The first and second interval overlaps.
D) There are too many intervals.
E) The second and the third interval overlap.

Question 26

Consider the following frequency distribution: What is the midpoint of the first class?

A) 100
B) 150
C) 25
D) 250
E) 200

Question 27

Consider the relative frequency distribution given below: There were 60 numbers in the data set. How many numbers were in the interval 20-under 40?

A) 12
B) 20
C) 40
D) 10
E) 15

Question 28

A frequency distribution was developed. The lower endpoint of the first class is 9.30,and the midpoint is 9.35. What is the upper endpoint of this class?

A) 9.50
B) 9.60
C) 9.70
D) 9.40
E) 9.80

Question 29

The number of phone calls arriving at a switchboard each hour has been recorded,and the following frequency distribution has been developed. What is the relative frequency of the second class?

A) 0.455
B) 0.900
C) 0.225
D) 0.750
E) 0.725

Question 30

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 31

Consider the following frequency distribution: What is the relative frequency of the first class?

A) 0.15
B) 0.30
C) 0.10
D) 0.20
E) 0.40

Question 32

The following class intervals for a frequency distribution were developed to provide information regarding the starting salaries for students graduating from a particular school: Before data was collected,someone questioned the validity of this arrangement. Which of the following represents a problem with this set of intervals?

A) There are too many intervals.
B) The class widths are too small.
C) Some numbers between 28,000 and 40,000 would fall into two different intervals.
D) The first and the second interval overlap.
E) There are too few intervals.

Question 33

Consider the following frequency distribution: What is the midpoint of the last class interval?

A) 15
B) 350
C) 300
D) 200
E) 400

Question 34

Consider the relative frequency distribution given below: There were 60 numbers in the data set. How many numbers were in the interval 40-under 60?

A) 30
B) 50
C) 18
D) 12
E) 15

Question 35

Consider the relative frequency distribution given below: There were 60 numbers in the data set. How many of the number were less than 80?

A) 90
B) 80
C) 0.9
D) 54
E) 100

Question 36

The following class intervals for a frequency distribution were developed to provide information regarding the starting salaries for students graduating from a particular school: Before data was collected,someone questioned the validity of this arrangement. Which of the following represents a problem with this set of intervals?

A) There are too many intervals.
B) The class widths are too small.
C) The class widths are too large.
D) The second and the third interval overlap.
E) There are too few intervals.

Question 37

Consider the following frequency distribution: What is the cumulative frequency of the second class interval?

A) 25
B) 40
C) 15
D) 50

Question 38

Consider the following frequency distribution: What is the cumulative frequency of the second class interval?

A) 25
B) 45
C) 70
D) 100
E) 250

Question 39

Consider the following frequency distribution: What is the midpoint of the first class?

A) 10
B) 20
C) 15
D) 30
E) 40

Question 40

A person has decided to construct a frequency distribution for a set of data containing 60 numbers. The lowest number is 23 and the highest number is 68. If 7 classes are used,the class width should be approximately _______.

A) 5
B) 7
C) 9
D) 11
E) 12

Question 41

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 42

Pinky Bauer,Chief Financial Officer of Harrison Haulers,Inc.,suspects irregularities in the payroll system and orders an inspection of "each and every payroll voucher issued since January 1,2000." Each payroll voucher was inspected and the following frequency distribution was compiled. The relative frequency of the first class interval is _________.

A) 0.50
B) 0.33
C) 0.40
D) 0.27
E) 0.67

Question 43

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 44

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 45

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 46

Consider the following stem and leaf plot: Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc.). What would the frequency be for class 30-under 40?

A) 3
B) 4
C) 6
D) 7
E) 5

Question 47

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 48

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 49

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 50

Pinky Bauer,Chief Financial Officer of Harrison Haulers,Inc.,suspects irregularities in the payroll system and orders an inspection of "each and every payroll voucher issued since January 1,2000." Each payroll voucher was inspected and the following frequency distribution was compiled. The midpoint of the first class interval is _________.

A) 500
B) 2
C) 1.5
D) 1
E) 250

Question 51

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 52

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 53

Consider the following stem and leaf plot: Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc.). What was the highest number in the data set?

A) 50
B) 58
C) 59
D) 78
E) 98

Question 54

Consider the following stem and leaf plot: Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc.). What is the cumulative frequency for the 30-under 40 class interval?

A) 5
B) 9
C) 13
D) 14
E) 18

Question 55

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 56

Pinky Bauer,Chief Financial Officer of Harrison Haulers,Inc.,suspects irregularities in the payroll system and orders an inspection of "each and every payroll voucher issued since January 1,2000." Each payroll voucher was inspected and the following frequency distribution was compiled. The cumulative frequency of the second class interval is _________.

A) 1,500
B) 500
C) 900
D) 1,000
E) 1,200

Question 57

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 58

The following represent the ages of students in a class: 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 59

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 60

Consider the following stem and leaf plot: Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc.). What was the lowest number in the data set?

A) 0
B) 10
C) 7
D) 2
E) 1

Question 61

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

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

Question 62

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 63

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 64

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 65

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 66

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 Silver/Grey
E)White and Other

Question 67

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 68

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 69

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 70

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 71

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 72

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 73

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 74

The United Nations Development Programme website provides comparative data by country on key metrics,such metrics as life expectancy over time.The chart below shows 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 these statements are true.

Question 75

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 76

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 77

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 78

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 79

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 80

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 shows 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.