Business Statistics 2nd Canadian Edition Test
Bank
Description
Business Statistics 2nd Canadian Edition Test
Bank
Business Statistics, Cdn. 2e (Sharpe)
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 2010 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.
o Who:
o What:
o When:
o Where:
o How:
o Why:
Answer:
o Who: Canadian adults aged 18 and older
o What: online shopping
o When: August – September 2010
o Where: Canada
o How: telephone interviews
o Why: to explore the impact of the Internet on daily life, specifically online shopping
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.
Age Gender Household Income Participated in online auction? Monthly amount spent online
Time (hours) per week browsing 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 $75 4
Answer: Categorical: Gender, Participated in online auction?
Quantitative: Age (years), Household Income ($), Monthly amount spent online ($), Time per
week browsing online retailers (hours).
L.O.: 2
3) In addition to the variables listed above, data were also collected on the variables listed below.
Indicate whether each is nominal or ordinal.
o Region (Urban, Suburban, Rural)
o Education (Less than High School, High School, College, University)
o Marital Status (Single, Widowed, Divorced, Married)
Answer:
o Region (Urban, Suburban, Rural)
Nominal
o Education (Less than High School, High School, College, University)
Ordinal
o Marital Status (Single, Widowed, Divorced, Married)
Nominal
L.O.: 2
4) For each of the following, indicate whether the data are cross-sectional or time series:
o Weekly receipts at a clothing boutique
o Monthly demand for an automotive part
o Percentage of adults who bank online
Answer:
o Weekly receipts at a clothing boutique
Time Series
o Monthly demand for an automotive part
Time Series
o Percentage of adults who bank online
Cross-Sectional
L.O.: 2
Short Answer – Quiz B
1) Consumer Reports Health routinely compares drugs in terms of effectiveness and safety.
Suppose that in the summer of 2010 they reviewed drugs used to treat arthritis. Information was
reported on convenience of use (how many pills 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.
o Who:
o What:
o When:
o Where:
o How:
o Why:
Answer:
Bank
Description
Business Statistics 2nd Canadian Edition Test
Bank
Business Statistics, Cdn. 2e (Sharpe)
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 2010 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.
o Who:
o What:
o When:
o Where:
o How:
o Why:
Answer:
o Who: Canadian adults aged 18 and older
o What: online shopping
o When: August – September 2010
o Where: Canada
o How: telephone interviews
o Why: to explore the impact of the Internet on daily life, specifically online shopping
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.
Age Gender Household Income Participated in online auction? Monthly amount spent online
Time (hours) per week browsing 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 $75 4
Answer: Categorical: Gender, Participated in online auction?
Quantitative: Age (years), Household Income ($), Monthly amount spent online ($), Time per
week browsing online retailers (hours).
L.O.: 2
3) In addition to the variables listed above, data were also collected on the variables listed below.
Indicate whether each is nominal or ordinal.
o Region (Urban, Suburban, Rural)
o Education (Less than High School, High School, College, University)
o Marital Status (Single, Widowed, Divorced, Married)
Answer:
o Region (Urban, Suburban, Rural)
Nominal
o Education (Less than High School, High School, College, University)
Ordinal
o Marital Status (Single, Widowed, Divorced, Married)
Nominal
L.O.: 2
4) For each of the following, indicate whether the data are cross-sectional or time series:
o Weekly receipts at a clothing boutique
o Monthly demand for an automotive part
o Percentage of adults who bank online
Answer:
o Weekly receipts at a clothing boutique
Time Series
o Monthly demand for an automotive part
Time Series
o Percentage of adults who bank online
Cross-Sectional
L.O.: 2
Short Answer – Quiz B
1) Consumer Reports Health routinely compares drugs in terms of effectiveness and safety.
Suppose that in the summer of 2010 they reviewed drugs used to treat arthritis. Information was
reported on convenience of use (how many pills 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.
o Who:
o What:
o When:
o Where:
o How:
o Why:
Answer:
