Business Statistics: Part I: Exploring and Collecting Data – Test A 1
Business Statistics: Part I: Exploring and Collecting Data – Test A
Name___________________________________________________
Chapter 2: Identify cases, variables and any units.
1. In listing a property, real estate agencies provides information on a number of
variables. Which of the following variables related to property listings is categorical?
A. Real Estate Tax
B. Number of Bedrooms
C. Style of Home
D. Asking Price
E. Number of Bathrooms
Chapter 2: Identify cases, variables and any units.
2. What scale of measurement is the style of a home (colonial, split level, ranch etc)?
A. Nominal
B. Interval
C. Quantitative
D. Ordinal
E. Numerical
Chapter 2: Identify time series and cross sections.
3. Real estate agencies also keep track of housing prices in a given area. Suppose
they also provide their clients with quarterly median selling prices for homes in a given
area for the past three year period. These data are
A. Cross-sectional
B. Time Series
C. Categorical
D. Nominal
E. Ordinal
Chapter 3: Analyze sampling method.
4. A researcher is conducting a study on eating disorders. Using a list of recent
participants in the online Weight Watchers program, she randomly selects a name from
the alphabetized list. She then chooses every tenth person from that point on to include
in her study. This sampling strategy is called
A. Systematic
B. Cluster
C. Random
D. Stratified
E. Judgmental
Copyright © 2012 Pearson Education, Inc. Publishing as Addison-Wesley.
,2 Business Statistics: Part I: Exploring and Collecting Data – Test A
Chapter 3: Identify population, sample, sampling frame and parameter.
5. A researcher is conducting a study on eating disorders. Using a list of recent
participants in the online Weight Watchers program, she randomly selects a sample from
the alphabetized list. This list represents the
A. Sample
B. Parameter
C. Population
D. Sampling frame
E. Statistic
Chapter 3: Identify bias.
6. A researcher is conducting a study to determine how knowledgeable teenagers are
about making good food choices. She decides to interview teenagers eating at a fast food
restaurant. The results may be biased because this is a
A. simple random sample.
B. voluntary response sample.
C. convenience sample.
D. stratified sample.
E. census.
Chapter 4: Determine if a display of data is appropriate.
7. A magazine that publishes product reviews conducted a survey of teenagers’
preferences for cell phones. Three brands of cell phone designed specifically with teens
in mind were the focus of the study. The table summarizes responses by brand and
gender. Which of the following charts would be appropriate for displaying the marginal
distribution of brands?
Cell Phone Male Female
LG Rumor 55 87
Sidekick LX 99 150
BlackJack II 196 113
A. Histogram
B. Boxplot
C. Pie Chart
D. Line Graph
E. Stem and Leaf Display
Copyright © 2012 Pearson Education, Inc. Publishing as Addison-Wesley.
, Business Statistics: Part I: Exploring and Collecting Data – Test A 3
Chapter 4: Find conditional and marginal distributions.
8. A magazine that publishes product reviews conducted a survey of teenagers’
preferences for cell phones. Three brands of cell phone designed specifically with teens
in mind were the focus of the study. The table summarizes responses by brand and
gender. What percent of teenagers preferred LG Rumor?
Cell Phone Male Female
LG Rumor 55 87
Sidekick LX 99 150
BlackJack II 196 113
A. 50%
B. 41%
C. 25%
D. 16%
E. 20%
Chapter 4: Examine a contingency table.
9. A magazine that publishes product reviews conducted a survey of teenagers’
preferences for cell phones. Three brands of cell phone designed specifically with teens
in mind were the focus of the study. The table summarizes responses by brand and
gender. What percent of female teenagers preferred the Sidekick LX?
Cell Phone Male Female
LG Rumor 55 87
Sidekick LX 99 150
BlackJack II 196 113
A. 43%
B. 60%
C. 21%
D. 50%
E. 16%
Copyright © 2012 Pearson Education, Inc. Publishing as Addison-Wesley.
, 4 Business Statistics: Part I: Exploring and Collecting Data – Test A
Chapter 4: Find conditional and marginal distributions.
10. A magazine that publishes product reviews conducted a survey of teenagers’
preferences for cell phones. Three brands of cell phone designed specifically with teens
in mind were the focus of the study. The table summarizes responses by brand and
gender. What percent of teenagers who preferred the BlackJack II were males?
Cell Phone Male Female
LG Rumor 55 87
Sidekick LX 99 150
BlackJack II 196 113
A. 63%
B. 32%
C. 16%
D. 50%
E. 41%
Chapter 4: Determine if a display of data is appropriate.
11. An advocacy group is investigating whether gender has an effect on job category
in large investment firms. She surveyed a sample of firms with the results shown below.
The most appropriate display for these data is a
Job Category Male Female
Clerical / Technical 85 215
Professional Staff 720 480
Executive / Managerial 400 100
A. histogram.
B. stem and leaf display.
C. boxplot.
D. segmented bar chart.
E. frequency table.
Copyright © 2012 Pearson Education, Inc. Publishing as Addison-Wesley.
Business Statistics: Part I: Exploring and Collecting Data – Test A
Name___________________________________________________
Chapter 2: Identify cases, variables and any units.
1. In listing a property, real estate agencies provides information on a number of
variables. Which of the following variables related to property listings is categorical?
A. Real Estate Tax
B. Number of Bedrooms
C. Style of Home
D. Asking Price
E. Number of Bathrooms
Chapter 2: Identify cases, variables and any units.
2. What scale of measurement is the style of a home (colonial, split level, ranch etc)?
A. Nominal
B. Interval
C. Quantitative
D. Ordinal
E. Numerical
Chapter 2: Identify time series and cross sections.
3. Real estate agencies also keep track of housing prices in a given area. Suppose
they also provide their clients with quarterly median selling prices for homes in a given
area for the past three year period. These data are
A. Cross-sectional
B. Time Series
C. Categorical
D. Nominal
E. Ordinal
Chapter 3: Analyze sampling method.
4. A researcher is conducting a study on eating disorders. Using a list of recent
participants in the online Weight Watchers program, she randomly selects a name from
the alphabetized list. She then chooses every tenth person from that point on to include
in her study. This sampling strategy is called
A. Systematic
B. Cluster
C. Random
D. Stratified
E. Judgmental
Copyright © 2012 Pearson Education, Inc. Publishing as Addison-Wesley.
,2 Business Statistics: Part I: Exploring and Collecting Data – Test A
Chapter 3: Identify population, sample, sampling frame and parameter.
5. A researcher is conducting a study on eating disorders. Using a list of recent
participants in the online Weight Watchers program, she randomly selects a sample from
the alphabetized list. This list represents the
A. Sample
B. Parameter
C. Population
D. Sampling frame
E. Statistic
Chapter 3: Identify bias.
6. A researcher is conducting a study to determine how knowledgeable teenagers are
about making good food choices. She decides to interview teenagers eating at a fast food
restaurant. The results may be biased because this is a
A. simple random sample.
B. voluntary response sample.
C. convenience sample.
D. stratified sample.
E. census.
Chapter 4: Determine if a display of data is appropriate.
7. A magazine that publishes product reviews conducted a survey of teenagers’
preferences for cell phones. Three brands of cell phone designed specifically with teens
in mind were the focus of the study. The table summarizes responses by brand and
gender. Which of the following charts would be appropriate for displaying the marginal
distribution of brands?
Cell Phone Male Female
LG Rumor 55 87
Sidekick LX 99 150
BlackJack II 196 113
A. Histogram
B. Boxplot
C. Pie Chart
D. Line Graph
E. Stem and Leaf Display
Copyright © 2012 Pearson Education, Inc. Publishing as Addison-Wesley.
, Business Statistics: Part I: Exploring and Collecting Data – Test A 3
Chapter 4: Find conditional and marginal distributions.
8. A magazine that publishes product reviews conducted a survey of teenagers’
preferences for cell phones. Three brands of cell phone designed specifically with teens
in mind were the focus of the study. The table summarizes responses by brand and
gender. What percent of teenagers preferred LG Rumor?
Cell Phone Male Female
LG Rumor 55 87
Sidekick LX 99 150
BlackJack II 196 113
A. 50%
B. 41%
C. 25%
D. 16%
E. 20%
Chapter 4: Examine a contingency table.
9. A magazine that publishes product reviews conducted a survey of teenagers’
preferences for cell phones. Three brands of cell phone designed specifically with teens
in mind were the focus of the study. The table summarizes responses by brand and
gender. What percent of female teenagers preferred the Sidekick LX?
Cell Phone Male Female
LG Rumor 55 87
Sidekick LX 99 150
BlackJack II 196 113
A. 43%
B. 60%
C. 21%
D. 50%
E. 16%
Copyright © 2012 Pearson Education, Inc. Publishing as Addison-Wesley.
, 4 Business Statistics: Part I: Exploring and Collecting Data – Test A
Chapter 4: Find conditional and marginal distributions.
10. A magazine that publishes product reviews conducted a survey of teenagers’
preferences for cell phones. Three brands of cell phone designed specifically with teens
in mind were the focus of the study. The table summarizes responses by brand and
gender. What percent of teenagers who preferred the BlackJack II were males?
Cell Phone Male Female
LG Rumor 55 87
Sidekick LX 99 150
BlackJack II 196 113
A. 63%
B. 32%
C. 16%
D. 50%
E. 41%
Chapter 4: Determine if a display of data is appropriate.
11. An advocacy group is investigating whether gender has an effect on job category
in large investment firms. She surveyed a sample of firms with the results shown below.
The most appropriate display for these data is a
Job Category Male Female
Clerical / Technical 85 215
Professional Staff 720 480
Executive / Managerial 400 100
A. histogram.
B. stem and leaf display.
C. boxplot.
D. segmented bar chart.
E. frequency table.
Copyright © 2012 Pearson Education, Inc. Publishing as Addison-Wesley.
