Business Statistics: For Contemporary Decision Making 3rd Canadian Edition by Ken Black Test bank

Blooms: Knowledge
AACSB: Analytic
61. A statistics instructor collects background information on the students. About 30% of the
students have taken economics and about 40% have taken accounting. There are 23 male
students and 27 female students in this class. This is an example of ___.
a) nonparametric statistics
b) nominal data
c) descriptive statistics
d) inferential statistics
e) census
Answer: c
Difficulty: Medium
Learning Objective: Define important statistical terms, including population, sample, and
parameter, as they relate to descriptive and inferential statistics.
Section Reference: 1.1 Basic Statistical Concepts
Blooms: Knowledge
Introduction to Statistics  1 - 22
Copyright © 20120 John Wiley & Sons Canada, Ltd. Unauthorized copying, distribution, or transmission of this page is prohibited
AACSB: Analytic
62. A market researcher is interested in determining the average income for families in Simcoe
County, Ontario. To accomplish this, a random sample of 400 families is taken from the county
and the data gathered is used to estimate the average income for families of the entire county.
This process is an example of ___.
a) nonparametric statistics
b) nominal data
c) descriptive statistics
d) inferential statistics
e) census
Answer: d
Difficulty: Medium
Learning Objective: Define important statistical terms, including population, sample, and
parameter, as they relate to descriptive and inferential statistics.
Section Reference: 1.1 Basic Statistical Concepts
Blooms: Knowledge
AACSB: Analytic
63. The Cascades Inc. has a plant in Winnipeg, Manitoba. Management wants to determine the
average number of sick days taken per worker in this plant in 2022. To do this, management
gathers records on all the workers in the plant and averages the number of sick days taken in
2022 by each worker. This process is using ___.
a) nonparametric statistics
b) nominal data
c) descriptive statistics
d) inferential statistics
e) a census
Answer: e
Difficulty: Medium
Learning Objective: Define important statistical terms, including population, sample, and
parameter, as they relate to descriptive and inferential statistics.
Section Reference: 1.1 Basic Statistical Concepts
Blooms: Knowledge
AACSB: Analytic
64. The Magnolia Swimming Pool Company wants to determine the average number of years it
takes before a major repair is required on one of the pools that the company constructs. The
president of the company asks Rick Johnson, a company accountant, to randomly contact fifty
families that built Magnolia pools in the past ten years and determine how long it was in each
case until a major repair. The information will then be used to estimate the average number of
years until a major repair for all pools sold by Magnolia. The average based on the data
gathered from the fifty families can best be described as a ___.
a) parameter
1 - 23  test bank for Business Statistics, Third Canadian Edition
Copyright © 2020 John Wiley & Sons Canada, Ltd. Unauthorized copying, distribution, or transmission of this page is prohibited
b) sample
c) population
d) statistic
e) frame
Answer: d
Difficulty: Medium
Learning Objective: Define important statistical terms, including population, sample, and
parameter, as they relate to descriptive and inferential statistics.
Section Reference: 1.1 Basic Statistical Concepts
Blooms: Knowledge
AACSB: Analytic
65. The Chamber of Commerce wants to assess its membership's opinions of the North
American Free Trade Agreement. One-hundred of the 2,000 members are randomly selected
and contacted by telephone. Seventy-five percent of respondents reported an overall favourable
opinion, and twenty-five percent reported an overall unfavourable opinion. The proportion, 0.75,
is a ___.
a) parameter
b) statistic
c) population
d) sample
e) frame
Answer: b
Difficulty: Medium
Learning Objective: Define important statistical terms, including population, sample, and
parameter, as they relate to descriptive and inferential statistics.
Section Reference: 1.1 Basic Statistical Concepts
Blooms: Knowledge
AACSB: Analytic
66. What proportion of Calgary’s registered voters favour trade restrictions with China? In an
effort to determine this, a research team calls every registered voter in Calgary and asks if they
favor trade restrictions with China. The proportion determined from the data gathered is a ___.
a) parameter
b) sample
c) population
d) statistic
e) frame
Answer: a
Difficulty: Medium
Learning Objective: Define important statistical terms, including population, sample, and