Question 1

Car Buyers
Forty car buyers were asked to indicate which car dealer offered the best overall service.The four choices were Contour Motors (C), Modern Chrysler (M), Tonneau Auto (T), and Uncanny Chevrolet (U).The following data were obtained:
 
-{Car Buyers Narrative} Construct a pie chart of this data.Which car dealer offered the best overall service?

Accepted Answer

The answer of Car Buyers
Forty car buyers were asked to...

Question 2

Suppose you measure the number of minutes it takes an employee to complete a task, where the maximum allowed time is 5 minutes, and each time is rounded to the nearest minute.Data from 130 employees is summarized below.How long did it take most employees to complete the task?

Accepted Answer

A)  5 minutes 
B)  3 minutes 
C)  30 minutes 
D)  50 minutes

Question 3

Business School Graduates
A sample of business school graduates were asked what their major was.The results are shown in the following frequency distribution.
 
-{Business School Graduates Narrative} Draw a pie chart of this data.Are you able to reconstruct the original data from this pie chart alone?

Accepted Answer

The answer of Business School Graduates
A sample of business school...

Question 4

For what type of data are frequencies the only calculations that can be done?

Accepted Answer

A)  Interval data 
B)  Nominal data 
C)  Ordinal data 
D)  None of these choices.

Question 5

Bar and pie charts are graphical techniques for nominal data.The former focus the attention on the frequency of the occurrences of each category, and the later emphasizes the proportion of occurrences of each category.

Accepted Answer

A) True 
 B)False

Question 6

To describe the relationship between two nominal variables you make a scatter diagram and look for a correlation.

Accepted Answer

A) True 
 B)False

Question 7

Suppose you measure the number of minutes it takes an employee to complete a task, where the maximum allowed time is 5 minutes, and each time is rounded to the nearest minute.Data from 130 employees is summarized below.Construct a frequency bar chart and a pie chart from this data.How long did it take most employees to complete the task?

Accepted Answer

The answer of Suppose you measure the number of minutes...

Question 8

Your age group (1-9; 10-19; 20-29; 30-39; etc.) is an interval variable.

Accepted Answer

A) True 
 B)False

Question 9

A(n) ____________________ chart is not able to show frequencies.It can only show relative frequencies.

Accepted Answer

The answer of A(n) ____________________ chart is not able to...

Question 10

You cannot calculate and interpret differences between numbers assigned to ordinal data.

Accepted Answer

A) True 
 B)False

Question 11

In the following cross-classification table, gender and car ownership are related.

Accepted Answer

A) True 
 B)False

Question 12

Give an example of interval data that can also be treated as ordinal data and nominal data.

Accepted Answer

The answer of Give an example of interval data that...

Question 13

A variable is some characteristic of a population or sample.

Accepted Answer

A) True 
 B)False

Question 14

Values must represent ordered rankings for what type of data?

Accepted Answer

A)  Interval data 
B)  Nominal data 
C)  Ordinal data 
D)  None of these choices.

Question 15

A cross-classification table summarizes data from two nominal variables.

Accepted Answer

A) True 
 B)False

Question 16

Explain why religious preference is not an ordinal variable.

Accepted Answer

The answer of Explain why religious preference is not an...

Question 17

The classification of student major (accounting, economics, management, marketing, other) is an example of a(n)

Accepted Answer

A)  nominal random variable. 
B)  interval random variable. 
C)  continuous random variable. 
D)  parameter.

Question 18

Two hundred males and two hundred females were asked whether or not college baseball should have a playoff system (yes/no/undecided).Pie charts of the responses for males vs.females are shown below.Which of the following describes the relationship between gender and opinion?

Accepted Answer

A)  A higher percentage of males want a playoff system compared to females. 
B)  More males than females are undecided on this issue. 
C)  Gender and opinion on a playoff system are related. 
D)  All of these choices are true.

Question 19

The bar charts below summarize data collected on 100 adults regarding gender and pet ownership.Which of the following statements is (are) true based on this chart?

Accepted Answer

A)  Gender and pet ownership are related; a higher percentage of males own pets than females. 
B)  Gender and pet ownership are related; a higher percentage of females own pets than males. 
C)  Gender and pet ownership are related; males and females own the same percentage of pets. 
D)  Gender and pet ownership are not related.

Question 20

If two pie charts made from the rows of a cross-classification table look the same, then the two nominal variables ____________________ (are/are not) related.

Accepted Answer

The answer of If two pie charts made from the...

Exam 2: Graphical Descriptive Techniques I

Suppose you measure the number of minutes it takes an employee to complete a task, where the maximum allowed time is 5 minutes, and each time is rounded to the nearest minute.Data from 130 employees is summarized below.How long did it take most employees to complete the task?

Business School Graduates A sample of business school graduates were asked what their major was.The results are shown in the following frequency distribution. -{Business School Graduates Narrative} Draw a pie chart of this data.Are you able to reconstruct the original data from this pie chart alone?

For what type of data are frequencies the only calculations that can be done?

Bar and pie charts are graphical techniques for nominal data.The former focus the attention on the frequency of the occurrences of each category, and the later emphasizes the proportion of occurrences of each category.

To describe the relationship between two nominal variables you make a scatter diagram and look for a correlation.

Your age group (1-9; 10-19; 20-29; 30-39; etc.) is an interval variable.

A(n) ____________________ chart is not able to show frequencies.It can only show relative frequencies.

You cannot calculate and interpret differences between numbers assigned to ordinal data.

In the following cross-classification table, gender and car ownership are related.

Give an example of interval data that can also be treated as ordinal data and nominal data.

A variable is some characteristic of a population or sample.

Values must represent ordered rankings for what type of data?

A cross-classification table summarizes data from two nominal variables.

Explain why religious preference is not an ordinal variable.

The classification of student major (accounting, economics, management, marketing, other) is an example of a(n)

Two hundred males and two hundred females were asked whether or not college baseball should have a playoff system (yes/no/undecided) .Pie charts of the responses for males vs.females are shown below.Which of the following describes the relationship between gender and opinion?

The bar charts below summarize data collected on 100 adults regarding gender and pet ownership.Which of the following statements is (are) true based on this chart?

If two pie charts made from the rows of a cross-classification table look the same, then the two nominal variables ____________________ (are/are not) related.