Textbook Notes (369,082)
Canada (162,376)
QMS 230 (8)
Chapter 1

Chapter 1 Worksheet

9 Pages
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Department
Quantitative Methods
Course Code
QMS 230
Professor
Douglas Mc Kessock

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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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