Question 1

Which of the following best describes a bar chart?

Accepted Answer

A) A chart in which vertical bars represent data in different categories. 
B) A circle subdivided into sectors representing data in different categories 
C) A chart in which vertical bars of unequal widths are usually used. 
D) A chart in which vertical bars usually have no gaps between them. 
A) A chart in which vertical bars represent data in different categories. 
B) A circle subdivided into sectors representing data in different categories 
C) A chart in which vertical bars of unequal widths are usually used. 
D) A chart in which vertical bars usually have no gaps between them. A

Question 2

A bar chart is a graphical display of a nominal (categorical) variable. The reason for the gaps between the bars is to emphasise that the bars can be placed in any order as the variable is categorical.

Accepted Answer

A) True 
 B)False  True

Question 3

Given the following five categories and the number of times each occurs, construct a pie chart and a bar chart. $$\begin{array} { | l | c | c | c | c | c | } 
\hline \text { Category } & 1 & 2 & 3 & 4 & 5 \
\hline \text { Frequency } & 17 & 29 & 40 & 24 & 20 \
\hline
\end{array}$$

Accepted Answer

The answer of Given the following five categories and the...

Question 4

Car buyers were asked by a car dealer to rate their level of satisfaction with the service they had
received. The four ratings were Excellent (E), Good (G), Satisfactory (S) and Unsatisfactory (U). The
following data were obtained.
a. Create a bar chart of the level of satisfaction with the service.
b. Create a pie chart of the level of satisfaction with the service. $$\begin{array} { | r | r | r | r | r | r | r | r | r | r | } 
\hline \mathrm { S } & \mathrm { E } & \mathrm { E } & \mathrm { E } & \mathrm { U } & \mathrm { E } & \mathrm { G } & \mathrm { S } & \mathrm { E } & \mathrm { U } \
\hline \mathrm { U } & \mathrm { G } & \mathrm { E } & \mathrm { G } & \mathrm { S } & \mathrm { E } & \mathrm { G } & \mathrm { G } & \mathrm { E } & \mathrm { G } \
\hline \mathrm { S } & \mathrm { E } & \mathrm { E } & \mathrm { S } & \mathrm { U } & \mathrm { G } & \mathrm { G } & \mathrm { E } & \mathrm { E } & \mathrm { S } \
\hline \mathrm { S } & \mathrm { U } & \mathrm { E } & \mathrm { U } & \mathrm { S } & \mathrm { G } & \mathrm { G } & \mathrm { E } & \mathrm { U } & \mathrm { S } \
\hline
\end{array}$$

Accepted Answer

The answer of Car buyers were asked by a car...

Question 5

Voters participating in a recent election exit poll in a Queensland electorate were asked to state their political party affiliation as well as their gender. Coding the data 1 for Coalition, 2 for minor parties and 3 for Labor, and F for female, M for male. $$\begin{array} { | l | l | l | l | l | l | l | l | l | } 
\hline 3 \mathrm { M } & 1 \mathrm {~F} & 2 \mathrm {~F} & 3 \mathrm { M } & 1 \mathrm {~F} & 3 \mathrm { M } & 3 \mathrm {~F} & 2 \mathrm {~F} & 1 \mathrm {~F} \
\hline 3 \mathrm {~F} & 3 \mathrm { M } & 2 \mathrm {~F} & 1 \mathrm { M } & 1 \mathrm { M } & 3 \mathrm { M } & 2 \mathrm {~F} & 3 \mathrm { M } & 1 \mathrm { M } \
\hline 3 \mathrm { M } & 2 \mathrm {~F} & 3 \mathrm {~F} & 2 \mathrm {~F} & 1 \mathrm {~F} & 1 \mathrm {~F} & 3 \mathrm { M } & & \
\hline
\end{array}$$ a. Create a cross classification table of gender by political affiliation.
b. Create a component bar chart, for each gender.
c. Interpret your component bar chart by gender.

Accepted Answer

a. @#IMG-DLM& b.
Component bar chart of gender, se

Question 6

If the focus is to compare the size or frequency of various categories, a bar chart may be appropriate. Pie charts are effective whenever the objective is to display the components of a whole entity in a manner that indicates their relative sizes.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following statements about pie charts is false?

Accepted Answer

A) Pie charts can only be used for nominal data. 
B) Pie charts are usually used to display the relative sizes of categories for qualitative data. 
C) Pie charts always have the shape of a circle. 
D) The area of each slice of a pie chart is proportional to the relative frequency of the corresponding category. 
A) Pie charts can only be used for nominal data. 
B) Pie charts are usually used to display the relative sizes of categories for qualitative data. 
C) Pie charts always have the shape of a circle. 
D) The area of each slice of a pie chart is proportional to the relative frequency of the corresponding category.

Question 8

Construct a pie chart for the sample of 200 business school graduates is shown in the following table. $$\begin{array} { | l | c | } 
\hline \text { Major of graduates } & \text { Number of graduates } \
\hline \text { Accounting } & 58 \
\hline \text { Finance } & 42 \
\hline \text { Management } & 38 \
\hline \text { Marketing } & 52 \
\hline \text { Other } & 10 \
\hline
\end{array}$$

Accepted Answer

The answer of Construct a pie chart for the sample...

Question 9

Voters participating in a recent election exit poll in a Queensland electorate were asked to state their political party affiliation. Coding the data 1 for Coalition, 2 for minor parties and 3 for Labor, the data collected were as follows: $$\begin{array} { | l | l | l | l | l | l | l | l | l | } 
\hline 3 & 1 & 2 & 3 & 1 & 3 & 3 & 2 & 1 \
\hline 3 & 3 & 2 & 1 & 1 & 3 & 2 & 3 & 1 \
\hline 3 & 2 & 3 & 2 & 1 & 1 & 3 & & \
\hline
\end{array}$$ Create a bar chart to display the political party affiliation in the Queensland electorate. Write a short sentence to describe the political affiliation.

Accepted Answer

@#IMG-DLM& Labor is stronger i

Question 10

Identify the type of data for which each of the following graphs is appropriate.
a. Pie chart.
b. Bar chart.

Accepted Answer

a. Nominal (categorical) or or

Question 11

Which of the following is a graphical technique used to present nominal (categorical) data?

Accepted Answer

A) Bar chart. 
B) Pie chart. 
C) A bar chart and/or a pie chart. 
D) None of these choices are correct. 
A) Bar chart. 
B) Pie chart. 
C) A bar chart and/or a pie chart. 
D) None of these choices are correct.

Question 12

The wedges of a pie chart, if displayed as proportions, will sum to 1 or 100%.

Accepted Answer

A) True 
 B)False

Question 13

A pie chart is always preferable to a bar chart, when describing a nominal variable.

Accepted Answer

A) True 
 B)False

Question 14

When a comparison of two breakdowns is desired, component bar charts offer a good alternative to using two pie charts.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following statements is true?

Accepted Answer

A) All calculations are permitted on nominal (categorical) data. 
B) A contingency table lists the counts of each combination of the values of the two variables. 
C) Bivariate refers to the distribution of one variable. 
D) A contingency table cannot be based on two nominal variables. 
A) All calculations are permitted on nominal (categorical) data. 
B) A contingency table lists the counts of each combination of the values of the two variables. 
C) Bivariate refers to the distribution of one variable. 
D) A contingency table cannot be based on two nominal variables.

Question 16

Which of the following statements is true?

Accepted Answer

A) A contingency table may also be called a cross classification table 
B) A contingency table is used to describe two nominal variables. 
C) A bar chart may be used as a graphical display of a contingency table. 
D) All of these choices are correct. 
A) A contingency table may also be called a cross classification table 
B) A contingency table is used to describe two nominal variables. 
C) A bar chart may be used as a graphical display of a contingency table. 
D) All of these choices are correct.

Question 17

Which of the following best describes a component bar chart?

Accepted Answer

A) A component bar chart represents all categories within a single bar. 
B) tioned The height of each component is proportional to the frequency of the category that it represents. 
C) When Component bar charts may be used as a comparison of two or more breakdowns as an alternative to using two pie charts. 
D) All of these choices are correct. 
A) A component bar chart represents all categories within a single bar. 
B) tioned The height of each component is proportional to the frequency of the category that it represents. 
C) When Component bar charts may be used as a comparison of two or more breakdowns as an alternative to using two pie charts. 
D) All of these choices are correct.

Which of the following best describes a bar chart?

A bar chart is a graphical display of a nominal (categorical) variable. The reason for the gaps between the bars is to emphasise that the bars can be placed in any order as the variable is categorical.

Given the following five categories and the number of times each occurs, construct a pie chart and a bar chart. Category 1 2 3 4 5 Frequency 17 29 40 24 20

If the focus is to compare the size or frequency of various categories, a bar chart may be appropriate. Pie charts are effective whenever the objective is to display the components of a whole entity in a manner that indicates their relative sizes.

Which of the following statements about pie charts is false?

Construct a pie chart for the sample of 200 business school graduates is shown in the following table. Major of graduates Number of graduates Accounting 58 Finance 42 Management 38 Marketing 52 Other 10

Identify the type of data for which each of the following graphs is appropriate. a. Pie chart. b. Bar chart.

Which of the following is a graphical technique used to present nominal (categorical) data?

The wedges of a pie chart, if displayed as proportions, will sum to 1 or 100%.

A pie chart is always preferable to a bar chart, when describing a nominal variable.

When a comparison of two breakdowns is desired, component bar charts offer a good alternative to using two pie charts.

Which of the following statements is true?

Which of the following statements is true?

Which of the following best describes a component bar chart?

What Is Statistics

Types of Data, Data Collection and Sampling

Graphical Descriptive Techniques Numerical Data

Numerical Descriptive Measures

Probability

Random Variables and Discrete Probability Distributions

Continuous Probability Distributions

Statistical Inference and Sampling Distributions

Estimation: Describing a Single Population

Estimation: Comparing Two Populations

Hypothesis Testing: Describing a Single Population

Hypothesis Testing: Comparing Two Populations

Additional Tests for Nominal Data: Chi-Squared Tests

Simple Linear Regression and Correlation

Multiple Regression

Time-Series Analysis and Forecasting

Index Numbers

Filters

Exam 3: Graphical Descriptive Techniques Nominal Data

Which of the following best describes a bar chart?

A bar chart is a graphical display of a nominal (categorical) variable. The reason for the gaps between the bars is to emphasise that the bars can be placed in any order as the variable is categorical.

Given the following five categories and the number of times each occurs, construct a pie chart and a bar chart. Category 1 2 3 4 5 Frequency 17 29 40 24 20

If the focus is to compare the size or frequency of various categories, a bar chart may be appropriate. Pie charts are effective whenever the objective is to display the components of a whole entity in a manner that indicates their relative sizes.

Which of the following statements about pie charts is false?

Construct a pie chart for the sample of 200 business school graduates is shown in the following table. Major of graduates Number of graduates Accounting 58 Finance 42 Management 38 Marketing 52 Other 10

Identify the type of data for which each of the following graphs is appropriate. a. Pie chart. b. Bar chart.

Which of the following is a graphical technique used to present nominal (categorical) data?

The wedges of a pie chart, if displayed as proportions, will sum to 1 or 100%.

A pie chart is always preferable to a bar chart, when describing a nominal variable.

When a comparison of two breakdowns is desired, component bar charts offer a good alternative to using two pie charts.

Which of the following statements is true?

Which of the following statements is true?

Which of the following best describes a component bar chart?

What Is Statistics

Types of Data, Data Collection and Sampling

Graphical Descriptive Techniques Numerical Data

Numerical Descriptive Measures

Probability

Random Variables and Discrete Probability Distributions

Continuous Probability Distributions

Statistical Inference and Sampling Distributions

Estimation: Describing a Single Population

Estimation: Comparing Two Populations

Hypothesis Testing: Describing a Single Population

Hypothesis Testing: Comparing Two Populations

Additional Tests for Nominal Data: Chi-Squared Tests

Simple Linear Regression and Correlation

Multiple Regression

Time-Series Analysis and Forecasting

Index Numbers

Filters