Question 1

Which of the following is a graphical summary of a set of data in which each data value is represented by a dot above the axis?

Accepted Answer

A)   Histogram
B)   Pie chart
C)   Dot plot
D)   CrosstabulationE) None of the above
F) B) and C)

Question 2

There are 800 students in the School of Business Administration.There are four majors in the School: Accounting, Finance, Management, and Marketing.The following shows the number of students in each major.  Develop a percent frequency distribution and construct a bar chart and a pie chart.

Accepted Answer

The answer of There are 800 students in the School...

Question 3

A graphical tool typically associated with the display of key performance indicators is a

Accepted Answer

A)   side-by-side bar chart.
B)   stem-and-leaf display.
C)   stacked bar chart.
D)   data dashboard.E) A) and B)
F) C) and D)

Question 4

A sample of 15 children shows their favorite kind of pet: ​  ​
Which of the following displays is most appropriate for this data?

Accepted Answer

A)   Side-by-side bar chart
B)   Histogram
C)   Stacked bar chart
D)   Pie chartE) A) and D)
F) A) and C)

Question 5

In a cumulative frequency distribution, the last class will always have a cumulative frequency equal to

Accepted Answer

A)   one.
B)   100%.
C)   the total number of elements in the data set.
D)   the class width.E) C) and D)
F) A) and C)

Question 6

​Which of the following types of data cannot be appropriately displayed by a histogram?

Accepted Answer

A)   Frequency
B)   Relative frequency
C)   ​Cumulative frequency
D)   ​Percent frequencyE) A) and B)
F) A) and C)

Question 7

The frequency distribution below was constructed from data collected on the quarts of soft drinks consumed per week by 20 students.  ​ 
a.
Construct a relative frequency distribution.
b.
Construct a cumulative frequency distribution.
c.
Construct a cumulative relative frequency distribution.

Accepted Answer

The answer of The frequency distribution below was constructed from...

Question 8

Data that indicate how much or how many are known as​

Accepted Answer

A)   ​categorical data.
B)   ​quantitative data.
C)   ​relative data.
D)   ​cumulative data.E) B) and C)
F) All of the above

Question 9

A graphical presentation of the relationship between two quantitative variables is​

Accepted Answer

A)   ​dot plot.
B)   ​histogram.
C)   ​stem-and-leaf display.
D)   ​scatter diagram.E) A) and B)
F) A) and C)

Question 10

The proper way to construct a stem-and-leaf display for the data set {62, 67, 68, 73, 73, 79, 91, 94, 95, 97} is to​

Accepted Answer

A)   ​exclude a stem labeled '8.
B)   ​include a stem labeled '8' and enter no leaves on the stem.
C)   ​include a stem labeled '(8) ' and enter no leaves on the stem.
D)   ​include a stem labeled '8' and enter one leaf value of '0' on the stem.E) A) and B)
F) A) and C)

Question 11

The numbers of hours worked (per week)  by 400 statistics students are shown below.  ​ The percentage of students who work at least 20 hours per week is

Accepted Answer

A)   25%.
B)   50%.
C)   75%.
D)   100%.E) All of the above
F) A) and D)

Question 12

A sample of the class sizes of 10 statistics classes at a university is shown below.  ​
Construct a dot plot for the above data.

Accepted Answer

The answer of A sample of the class sizes of...

Question 13

​If several frequency distributions are constructed from the same data set, the distribution with the widest class width will have the

Accepted Answer

A)   ​fewest classes.
B)   ​most classes.
C)   ​smallest total frequency.
D)   ​largest total frequency.E) A) and D)
F) None of the above

Question 14

The relative frequency of a class is computed by

Accepted Answer

A)   dividing the midpoint of the class by the sample size.
B)   dividing the frequency of the class by the midpoint.
C)   dividing the sample size by the frequency of the class.
D)   dividing the frequency of the class by the sample size.E) B) and D)
F) All of the above

Question 15

A researcher is gathering data from four geographical areas designated: South = 1; North = 2; East = 3; West = 4.The designated geographical regions represent?

Accepted Answer

A)   ?categorical data.
B)   ?quantitative data.
C)   ?crosstabular data.
D)   ?either categorical or quantitative data.E) B) and C)
F) C) and D)

Question 16

The numbers of hours worked (per week)  by 400 statistics students are shown below.  ​ The cumulative percent frequency for students working 10 or more hours per week is

Accepted Answer

A)   20%.
B)   25%.
C)   80%.
D)   95%.E) None of the above
F) C) and D)

Question 17

The total number of data items with a value less than the upper limit for the class is given by the _____ distribution.

Accepted Answer

A)   frequency
B)   relative frequency
C)   cumulative frequency
D)   cumulative relative frequencyE) B) and D)
F) None of the above

Question 18

In a cumulative relative frequency distribution, the last class will have a cumulative relative frequency equal to

Accepted Answer

A)   one.
B)   100%.
C)   the total number of elements in the data set.
D)   the total of classes in the data set.E) B) and C)
F) A) and C)

Question 19

In a crosstabulation​

Accepted Answer

A)   ​both variables must be categorical.
B)   ​both variables must be quantitative.
C)   ​one variable must be categorical and the other must be quantitative.
D)   ​either or both variables can be categorical or quantitative.E) A) and B)
F) A) and C)

Question 20

A histogram is

Accepted Answer

A)   a graphical presentation of a frequency or relative frequency distribution.
B)   a graphical method of presenting a cumulative frequency or a cumulative relative frequency distribution.
C)   the history of data elements.
D)   the same as a pie chart.E) C) and D)
F) A) and B)

Exam 2: Descriptive Statistics: Tabular and Graphical Displays

Which of the following is a graphical summary of a set of data in which each data value is represented by a dot above the axis?

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The relative frequency of a class is computed by

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A sample of the class sizes of 10 statistics classes at a university is shown below. ​ Construct a dot plot for the above data.

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There are 800 students in the School of Business Administration.There are four majors in the School: Accounting, Finance, Management, and Marketing.The following shows the number of students in each major. Develop a percent frequency distribution and construct a bar chart and a pie chart.

Correct AnswerverifiedShow Answer

A sample of 15 children shows their favorite kind of pet: ​ ​ Which of the following displays is most appropriate for this data?

Correct AnswerverifiedShow Answer

In a cumulative frequency distribution, the last class will always have a cumulative frequency equal to

Correct AnswerverifiedShow Answer

The numbers of hours worked (per week) by 400 statistics students are shown below. ​ The cumulative percent frequency for students working 10 or more hours per week is

Correct AnswerverifiedShow Answer

The numbers of hours worked (per week) by 400 statistics students are shown below. ​ The percentage of students who work at least 20 hours per week is

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​If several frequency distributions are constructed from the same data set, the distribution with the widest class width will have the

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The frequency distribution below was constructed from data collected on the quarts of soft drinks consumed per week by 20 students. ​ a. Construct a relative frequency distribution. b. Construct a cumulative frequency distribution. c. Construct a cumulative relative frequency distribution.

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In a crosstabulation​

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A histogram is

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In a cumulative relative frequency distribution, the last class will have a cumulative relative frequency equal to

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The total number of data items with a value less than the upper limit for the class is given by the _____ distribution.

Correct AnswerverifiedShow Answer

The proper way to construct a stem-and-leaf display for the data set {62, 67, 68, 73, 73, 79, 91, 94, 95, 97} is to​

Correct AnswerverifiedShow Answer

Data that indicate how much or how many are known as​

Correct AnswerverifiedShow Answer

A graphical presentation of the relationship between two quantitative variables is​

Correct AnswerverifiedShow Answer

A researcher is gathering data from four geographical areas designated: South = 1; North = 2; East = 3; West = 4.The designated geographical regions represent?

Correct AnswerverifiedShow Answer

​Which of the following types of data cannot be appropriately displayed by a histogram?

Correct AnswerverifiedShow Answer

A graphical tool typically associated with the display of key performance indicators is a

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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A sample of the class sizes of 10 statistics classes at a university is shown below. Construct a dot plot for the above data.

Correct Answer
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Correct Answer
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A sample of 15 children shows their favorite kind of pet: Which of the following displays is most appropriate for this data?

Correct Answer
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Correct Answer
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The numbers of hours worked (per week) by 400 statistics students are shown below. The cumulative percent frequency for students working 10 or more hours per week is

Correct Answer
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The numbers of hours worked (per week) by 400 statistics students are shown below. The percentage of students who work at least 20 hours per week is

Correct Answer
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If several frequency distributions are constructed from the same data set, the distribution with the widest class width will have the

Correct Answer
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The frequency distribution below was constructed from data collected on the quarts of soft drinks consumed per week by 20 students. a. Construct a relative frequency distribution. b. Construct a cumulative frequency distribution. c. Construct a cumulative relative frequency distribution.

Correct Answer
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In a crosstabulation

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Correct Answer
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Correct Answer
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Correct Answer
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The proper way to construct a stem-and-leaf display for the data set {62, 67, 68, 73, 73, 79, 91, 94, 95, 97} is to

Correct Answer
verified

Data that indicate how much or how many are known as

Correct Answer
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A graphical presentation of the relationship between two quantitative variables is

Correct Answer
verified

Correct Answer
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Which of the following types of data cannot be appropriately displayed by a histogram?

Correct Answer
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Correct Answer
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