Test Bank Business Statistics, 5th Canadian Edition Norean R. Sharpe, De Veaux, Velleman
Chap 2 - 24 Plus Part 1 - 4 Test Bank Included (Complete)
Chap 1 has no test bank
Chapter 2: Data
Short Answer - Quiz A
1) The mission of a research firm is to "explore the impact of the Internet on families,
communities, work, home, and daily life." In August - September 2015 they conducted telephone
interviews with a sample of Canadian adults aged 18 and older about online shopping. Describe
the W's for the information given.
• Who:
• What:
• When:
• Where:
• How:
• Why:
Answer:
• Who: Canadian adults aged 18 and older
• What: online shopping
• When: August - September 2015
• Where: Canada
• How: telephone interviews
• Why: to explore the impact of the Internet on daily life, specifically online shopping
Type: ES
L.O.: 1
2) The following table displays some of the data collected by the above research firm in their
study of online shopping. List the variables in the data set. Indicate whether each variable is
categorical or quantitative. If the variable is quantitative, give the units.
Participated Monthly Time (hours) per
Household in an online amount spent week browsing
Age Gender Income auction? online online retailers
25 Male $55,000 Yes $250 6
47 Female $60,000 No $50 4
38 Female $110,000 No $120 10
30 Male $62,000 No $75 4
Answer: Categorical: Gender, Participated in an online auction?
Quantitative: Age (years), Household Income ($), Monthly amount spent online ($), Time
(hours) per week browsing online retailers.
Type: ES
L.O.: 2
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,3) In addition to the variables listed above, data were also collected on the variables listed below.
Indicate whether each is nominal or ordinal.
• Region (Urban, Suburban, Rural)
• Education (Less than High School, High School, College, University)
• Marital Status (Single, Widowed, Divorced, Married)
Answer:
• Region (Urban, Suburban, Rural)
Nominal
• Education (Less than High School, High School, College, University)
Ordinal
• Marital Status (Single, Widowed, Divorced, Married)
Nominal
Type: ES
L.O.: 2
4) For each of the following, indicate whether the data are cross-sectional or time series:
• Weekly receipts at a clothing boutique
• Monthly demand for an automotive part
• Percentage of adults who bank online in Canada in 2025
Answer:
• Weekly receipts at a clothing boutique
Time Series
• Monthly demand for an automotive part
Time Series
• Percentage of adults who bank online in Canada in 2025
Cross-Sectional
Type: ES
L.O.: 2
5) Eastland College instructors and students are asking to review a new computer tutorial. Peter,
the author of the tutorial, wants to analyze the feedback. He gets a spreadsheet. List the variables
in the data set. Indicate whether each variable is categorical or quantitative. If the variable is
categorical, indicate whether it is nominal or ordinal. Does the table contain an identifier
variable?
Number of
Tutorial Level of visits Time (minutes)
Name Status Access ID satisfaction per week spent per week
Ann Instructor AB235 Moderately helpful 3 60
Boris Student BC1090 Very helpful 4 120
Parul Student PR1841 Not helpful 1 30
Paul Instructor PG145 Somewhat helpful 2 45
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,Answer: Quantitative: Number of visits per week, Time (minutes) spent per week
Categorical: Name (nominal), Status (nominal), Tutorial Access ID (nominal, identifier), Level
of satisfaction (ordinal).
Type: ES
L.O.: 2
6) A university has two classes: one with 30 students and one with 90 students. The university
reports the average class size as 60. However, when students are surveyed, they report a higher
average class size. Explain why students report a higher average class size. What statistical
concept does this illustrate?
Answer:
Students in the larger class are more numerous, so they are more likely to be sampled. This gives
more weight to larger classes when averaging from the students’ perspective. This illustrates the
Inspection Paradox, where different viewpoints lead to different averages.
Type: ES
L.O.: 3
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, Short Answer - Quiz B
1) Consumer Reports Health routinely compares drugs in terms of effectiveness and safety.
Suppose that in the summer of 2014 they reviewed drugs used to treat arthritis. Information was
reported on the convenience of use (how many pills are required each day), possible side effects
(e.g., dizziness, stomach upset), cost, and ratings of effectiveness in relieving symptoms (very
effective, somewhat effective, not effective). Describe the W's for the information given.
• Who:
• What:
• When:
• Where:
• How:
• Why:
Answer:
• Who: drugs to treat arthritis currently on the market
• What: convenience of use, side effects, cost, effectiveness ratings
• When: summer 2014
• Where: not specified
• How: by reviewing the drugs using Consumer Reports’ assessment methods
• Why: to compare arthritis drugs in terms of effectiveness and safety
Type: ES
L.O.: 1
2) List the variables reported in the Consumer Reports Health article on drugs used to treat
arthritis. If the variable is quantitative, give the units. If the variable is categorical, indicate
whether it is nominal or ordinal.
Answer: Categorical: Side effect (nominal), Effectiveness Rating (ordinal)
Quantitative: Convenience of use (number of pills), Cost ($)
Type: ES
L.O.: 2
3) The Human Resources Department of a large corporation maintains records on its employees.
The table displays some of these data. List the variables in the data set. Indicate whether each
variable is categorical or quantitative. If the variable is quantitative, give the units. If the variable
is categorical, indicate whether it is nominal or ordinal.
Employment Participates in Paycheck Benefit
Age Category Education Wellness Program? Deductions
32 Clerical High School Yes $250
52 Professional College No $120
60 Professional University Yes $0
28 Clerical High School No $120
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Chap 2 - 24 Plus Part 1 - 4 Test Bank Included (Complete)
Chap 1 has no test bank
Chapter 2: Data
Short Answer - Quiz A
1) The mission of a research firm is to "explore the impact of the Internet on families,
communities, work, home, and daily life." In August - September 2015 they conducted telephone
interviews with a sample of Canadian adults aged 18 and older about online shopping. Describe
the W's for the information given.
• Who:
• What:
• When:
• Where:
• How:
• Why:
Answer:
• Who: Canadian adults aged 18 and older
• What: online shopping
• When: August - September 2015
• Where: Canada
• How: telephone interviews
• Why: to explore the impact of the Internet on daily life, specifically online shopping
Type: ES
L.O.: 1
2) The following table displays some of the data collected by the above research firm in their
study of online shopping. List the variables in the data set. Indicate whether each variable is
categorical or quantitative. If the variable is quantitative, give the units.
Participated Monthly Time (hours) per
Household in an online amount spent week browsing
Age Gender Income auction? online online retailers
25 Male $55,000 Yes $250 6
47 Female $60,000 No $50 4
38 Female $110,000 No $120 10
30 Male $62,000 No $75 4
Answer: Categorical: Gender, Participated in an online auction?
Quantitative: Age (years), Household Income ($), Monthly amount spent online ($), Time
(hours) per week browsing online retailers.
Type: ES
L.O.: 2
2-1
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,3) In addition to the variables listed above, data were also collected on the variables listed below.
Indicate whether each is nominal or ordinal.
• Region (Urban, Suburban, Rural)
• Education (Less than High School, High School, College, University)
• Marital Status (Single, Widowed, Divorced, Married)
Answer:
• Region (Urban, Suburban, Rural)
Nominal
• Education (Less than High School, High School, College, University)
Ordinal
• Marital Status (Single, Widowed, Divorced, Married)
Nominal
Type: ES
L.O.: 2
4) For each of the following, indicate whether the data are cross-sectional or time series:
• Weekly receipts at a clothing boutique
• Monthly demand for an automotive part
• Percentage of adults who bank online in Canada in 2025
Answer:
• Weekly receipts at a clothing boutique
Time Series
• Monthly demand for an automotive part
Time Series
• Percentage of adults who bank online in Canada in 2025
Cross-Sectional
Type: ES
L.O.: 2
5) Eastland College instructors and students are asking to review a new computer tutorial. Peter,
the author of the tutorial, wants to analyze the feedback. He gets a spreadsheet. List the variables
in the data set. Indicate whether each variable is categorical or quantitative. If the variable is
categorical, indicate whether it is nominal or ordinal. Does the table contain an identifier
variable?
Number of
Tutorial Level of visits Time (minutes)
Name Status Access ID satisfaction per week spent per week
Ann Instructor AB235 Moderately helpful 3 60
Boris Student BC1090 Very helpful 4 120
Parul Student PR1841 Not helpful 1 30
Paul Instructor PG145 Somewhat helpful 2 45
2-2
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,Answer: Quantitative: Number of visits per week, Time (minutes) spent per week
Categorical: Name (nominal), Status (nominal), Tutorial Access ID (nominal, identifier), Level
of satisfaction (ordinal).
Type: ES
L.O.: 2
6) A university has two classes: one with 30 students and one with 90 students. The university
reports the average class size as 60. However, when students are surveyed, they report a higher
average class size. Explain why students report a higher average class size. What statistical
concept does this illustrate?
Answer:
Students in the larger class are more numerous, so they are more likely to be sampled. This gives
more weight to larger classes when averaging from the students’ perspective. This illustrates the
Inspection Paradox, where different viewpoints lead to different averages.
Type: ES
L.O.: 3
2-3
© 2027
, Short Answer - Quiz B
1) Consumer Reports Health routinely compares drugs in terms of effectiveness and safety.
Suppose that in the summer of 2014 they reviewed drugs used to treat arthritis. Information was
reported on the convenience of use (how many pills are required each day), possible side effects
(e.g., dizziness, stomach upset), cost, and ratings of effectiveness in relieving symptoms (very
effective, somewhat effective, not effective). Describe the W's for the information given.
• Who:
• What:
• When:
• Where:
• How:
• Why:
Answer:
• Who: drugs to treat arthritis currently on the market
• What: convenience of use, side effects, cost, effectiveness ratings
• When: summer 2014
• Where: not specified
• How: by reviewing the drugs using Consumer Reports’ assessment methods
• Why: to compare arthritis drugs in terms of effectiveness and safety
Type: ES
L.O.: 1
2) List the variables reported in the Consumer Reports Health article on drugs used to treat
arthritis. If the variable is quantitative, give the units. If the variable is categorical, indicate
whether it is nominal or ordinal.
Answer: Categorical: Side effect (nominal), Effectiveness Rating (ordinal)
Quantitative: Convenience of use (number of pills), Cost ($)
Type: ES
L.O.: 2
3) The Human Resources Department of a large corporation maintains records on its employees.
The table displays some of these data. List the variables in the data set. Indicate whether each
variable is categorical or quantitative. If the variable is quantitative, give the units. If the variable
is categorical, indicate whether it is nominal or ordinal.
Employment Participates in Paycheck Benefit
Age Category Education Wellness Program? Deductions
32 Clerical High School Yes $250
52 Professional College No $120
60 Professional University Yes $0
28 Clerical High School No $120
2-4
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