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Textbook Notes
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Canada
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Ryerson University
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Quantitative Methods
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QMS 230
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Chapter 1

School

Ryerson University
Department

Quantitative Methods

Course Code

QMS 230

Professor

Douglas Mc Kessock

Description

CQMS204-Statistics for Management Chapter1
1. Techniques used to organize, summarize and present data that have
been collected are called
A. descriptive statistics B. inferential statistics
C. Sample D. population
2. The collection of all possible individuals, objects, or measurements is
called
A. a sample B. population
C. an inference D. data
3. Techniques used to determine something about a population, based on a
sample, are called
A. descriptive statistics B. inferential statistics
C. Sample D. population
4. Harry works for a computer company. His job is to make sure that people
in their target market, all individuals between the ages of 18 and 54, like
their commercials. To test one commercial, he interviews 50 people who
are between the ages of 18 and 54, live in Toronto and asks them
what they like and dislike about the commercial. What is his population
and his sample?
A. individuals between the ages of 18 and 54 , 50 people who are
between the ages of 18 and 54 and live in Toronto
B. all individuals, individuals between the ages of 18 and 54
C. 50 people who are between the ages of 18 and 54 who live in Toronto ,
individuals between the ages of 18 and 54
D. all individuals , 50 people who are between the ages of 18 and 54
who live in Toronto
E. individuals between the ages of 18 and 54 , 50 people who live in
Toronto
5. The mean time for business students who use Internet in Ryerson University
(we assume that students in Ryerson as a population) is an example of
A. a statistic B. a sample C. a parameter
6. What do we call for the numerical characteristics of a sample?
A. statistic B. sample C. parameter
Winter2011 Page #1 CQMS204-Statistics for Management Chapter1
7. Appearance is very important to professionals working on Bay Street, and
most of them do not mind how much they spend on skin care products. From
a recent survey, we can conclude that male professionals on Bay
Street spend 5% of their salary on skin care products. This is an
example of
A. descriptive statistics B. inferential statistics
C. a sample D. population
8. Due to the outcome of the survey mentioned above, most skin care products
companies started advertising in order to attract more male professionals
working on Bay Street. After six months of intensive promotional campaign,
one company wants to find out whether sales have changed and conducted a
data- based research. Identify the population for this research.
A. All male professionals on Bay Street
B. All male students in Ryerson University
C. All female and male professionals on Bay Street
D. All working males in Canada
9. What do we call for the numerical characteristics of a population?
A. statistic B. sample C. parameter
10. ________ is a portion, or part of the population of interest.
A. Statistic B. Sample C. Parameter
11. The main purpose of descriptive statistics is to:
A. Summarize data in a useful and informative manner
B. Make inferences about a population
C. Determine whether the data adequately represents the population
D. Gather or collect data
E. To predict the future market
12. Which word is NOT a part of the definition of descriptive statistics?
A. Organizing B. Analyzing C. Presenting
D. Predicting E. None of the above
13. If unemployment is 8.6% of the population in Canada, what is this level of
measurement?
A. Nominal B. Ordinal C. Ratio- discrete D. Ratio-continuous
E. Interval-discrete F. Interval-continuous
Winter2011 Page #2 CQMS204-Statistics for Management Chapter1
14. What level of measurement is the Centigrade temperature scale?
A. Nominal B. Ordinal C. Ratio- discrete D. Ratio-continuous
E. Interval-discrete F. Interval-continuous
15. What level of measurement is the number of auto accidents reported in GTA
in a given month?
A. Nominal B. Ordinal C. Ratio- discrete D. Ratio-continuous
E. Interval-discrete F. Interval-continuous
16.The names of the positions on a hockey team, such as forward and defence,
are examples of what level of measurement?
A. Nominal B. Ordinal C. Ratio- discrete D. Ratio-continuous
E. Interval-discrete F. Interval-continuous
17.What level of measurement is the price of an admission ticket to a movie
theater in downtown Toronto?
A. Nominal B. Ordinal C. Ratio- discrete D. Ratio-continuous
E. Interval-discrete F. Interval-continuous
18. The income of a group of 200 loan applicants is obtained. Which level of
measurement is income?
A. Nominal B. Ordinal C. Ratio- discrete D. Ratio-continuous
E. Interval-discrete F. Interval-continuous
19. Ryerson Bank asks customers to evaluate the drive-thru service as excellent,
good, average, poor, or very poor. Which level of measurement is this
classification?
A. Nominal B. Ordinal C. Ratio- discrete D. Ratio-continuous
E. Interval-discrete F. Interval-continuous
20. Ryerson Bank conducted a survey of a random sample of its customers. One
of the question on the survey was as follows and the possible responses for
the question are given
The staff at a local branch can provide me with good advice on my
financial affairs. (select one)
1. Strongly agree; 2. Agree; 3. Neither agree nor disagree;
4. Disagree; 5. Strongly disagree.
What is the measurement scale of the response data?
A. Nominal B. Ordinal C. Ratio- discrete D. Ratio-continuous
E. Interval-discrete F. Interval-continuous
Winter2011 Page #3 CQMS204-Statistics for Management Chapter1
21. What level of measurement is a bar code?
A. Nominal B. Ordinal C. Ratio- discrete D. Ratio-continuous
E. Interval-discrete F. Interval-continuous
22. A group of professional men working at Bay Street tried six brands of
hairspray and ranked them according to their preference. What level of
measurement is this?
A. Nominal B. Ordinal C. Ratio- discrete D. Ratio

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