Deck 2: Data

Question 1

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

Answer 1

• Weekly receipts at a clothing boutique
Time Series
• Monthly demand for an automotive part
Time Series
• Percentage of adults who bank online
Cross-Sectional

Question 2

The Consumer Reports Health study on arthritis drugs also took into consideration cost. Cost is

A) a nominal variable
B) a categorical variable
C) a quantitative variable
D) an ordinal variable
E) an irrelevant variable

Answer 2

C

Question 3

The Human Resources Department of a large corporation maintains records on its employees. Data are maintained for the following variables: Age, Employment Category, Education, Whether or not the employee participates in a wellness program, and Paycheck benefit deductions. Which of these variables are categorical?

A) Age, Employment Category, and Education
B) Employment Category, Education, and Whether or not the employee participates in a wellness program
C) Education, Whether or not the employee participates in a wellness program, and Paycheck benefit deductions
D) Age only
E) Education only.

Answer 3

B

Question 4

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.

Question 5

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.
• Who:
• What:
• When:
• Where:
• How:
• Why:

Question 6

For each of the following, indicate whether the data are cross-sectional or time series:
• Company quarterly profits
• Percentage of American adults who work full time
• Historical closing stock prices

Question 7

A few of the variables for which data were collected in the Internet & Life Project study include age, gender, income, and number of hours spent shopping online per month. Which of the variables is categorical?

A) Age
B) Gender
C) Income
D) Number of hours spent shopping online
E) None

Question 8

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)

Question 9

Consumer Reports Health routinely compares drugs in terms of effectiveness and safety. In summer 2008 they reviewed drugs used to treat arthritis. Among the information reported was convenience of use (how many pills required each day) and possible side effects (e.g., dizziness, stomach upset). Convenience of use and possible side effects constitute the ________ of the study.

A) Who
B) What
C) When
D) Where
E) How

Question 10

Bell Canada tracks employee turnover annually. It currently has a data set that contains turnover for the past 20 years. What type of data does it have?

A) time series data
B) cross-sectional data
C) nominal data
D) ordinal data
E) categorical data

Question 11

Which of the following is (are) time series data?

A) Number of employees in 2010
B) This month's demand for an automotive part
C) This quarter's sales of automobiles
D) Weekly receipts at a clothing boutique
E) Percentage of employees who are female

Question 12

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.

Question 13

In the Consumer Reports Health study on arthritis drugs, possible side effects is what kind of variable?

A) Quantitative
B) Categorical
C) Nominal
D) Both A and C
E) Both B and C

Question 14

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.
• Who:
• What:
• When:
• Where:
• How:
• Why:

Question 15

What is the "Who" in the Consumer Reports Health study on the effectiveness and safety of drugs used to treat arthritis?

A) drugs to treat arthritis
B) convenience of use and possible side effects
C) summer 2008
D) Canada
E) testing on drugs

Question 16

The Internet & Life Project study also asked respondents to indicate their education level on the following scale: Less than High School, High School, Some College, College, University. Which of the following statements is (are) true?

A) Education level is a time series variable.
B) Education level is nominal scaled.
C) Education level is a quantitative variable.
D) Education level is a categorical variable.
E) Both A and B

Question 17

In the fall of 2010 a research company conducted its Internet & Life Project through telephone interviews about online shopping with a sample of Canadian adults aged 18 and older . Canadian adults aged 18 and older constitute the ________ of the study.

A) Who
B) What
C) When
D) Where
E) How

Question 18

Which of the following is (are) based on cross-sectional data?

A) Company quarterly profits
B) Percentage of Canadian adults who work full time
C) Historical closing stock prices
D) Yearly student enrollments
E) Annual costs

Question 19

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.

Question 20

A company conducted a survey of its employees to determine their level of satisfaction with various company policies. The data collected from this survey are

A) primary data
B) secondary data
C) transactional data
D) census data
E) quantitative data

Question 21

The human resources department at a major high tech company recently conducted an employee satisfaction survey of 100 of its 3,000 employees. Data were collected on such variables as age, gender, marital status, current salary, level of overall satisfaction on a scale from 1 to 5, number of years with the company, and job title. Which of the following best describes the overall data set that was generated from the study?

A) cross-sectional data
B) time series data
C) nominal data
D) quantitative data
E) categorical data

Question 22

Tim Hortons conducts a random survey of 1000 customers in their Ottawa outlets on a particular day. For each customer they collect data on the time taken to fill the order, how frequently the customer comes to Tim Hortons in a week, whether the customer purchased only coffee or additional item(s), and the level of overall satisfaction using a scale from 1 to 5. The random survey answers which of these questions?

A) How
B) Who
C) What
D) When
E) Where

Question 23

Tim Hortons conducts a random survey of 1000 customers in their Ottawa outlets on a particular day. For each customer they collect data on the time taken to fill the order, how frequently the customer comes to Tim Hortons in a week, whether the customer purchased only coffee or additional item(s), and the level of overall satisfaction using a scale from 1 to 5. What is the "Who" of this study?

A) the 1000 customers
B) the time taken to fill the customer order
C) whether the customer purchased only coffee or additional item(s)
D) the level of overall satisfaction
E) how frequently the customer comes to Tim Hortons in a week

Question 24

Which of the following is a secondary data source?

A) using Statistics Canada data
B) conducting a telephone survey
C) conducting a mail out written survey
D) conducting personal interviews
E) conducting an experiment

Question 25

The human resources department at Bell Canada recently conducted an employee satisfaction survey of 100 of its employees. Data were collected on such variables as age, gender, marital status, current salary, level of overall satisfaction on a scale from 1 to 5, number of years with the company, and job title. Which of the variables would be classified as nominal data?

A) gender, marital status, and job title
B) age and gender
C) age and number of years with the company
D) age
E) level of overall satisfaction

Question 26

Tim Hortons conducts a random survey of 1000 customers in their Ottawa outlets on a particular day. For each customer they collect data on the time taken to fill the order, how frequently the customer comes to Tim Hortons in a week, whether the customer purchased only coffee or additional item(s), and the level of overall satisfaction using a scale from 1 to 5. Which of the variables is quantitative?

A) the time taken to fill the order, and how frequently the customer comes to Tim Hortons in a week
B) whether the customer purchased only coffee or additional item(s)
C) the level of overall satisfaction
D) whether the customer purchased only coffee or additional item(s) and the level of overall satisfaction
E) the level of overall satisfaction and how frequently the customer comes to Tim Hortons in a week

Question 27

When a survey uses the responses strongly disagree, disagree, neutral, agree, strongly agree, what type of data are collected?

A) ordinal data
B) nominal data
C) cross-sectional data
D) time series data
E) quantitative data

Question 28

The human resources department at Bell Canada recently conducted an employee satisfaction survey of 100 of its employees. Data were collected on such variables as age, gender, marital status, current salary, level of overall satisfaction on a scale from 1 to 5, number of years with the company, and job title. Which of the variables would be considered to be quantitative data?

A) age, number of years with the company, and current salary
B) gender and current salary
C) age and gender
D) marital status and current salary
E) level of overall satisfaction on a scale from 1 to 5, number of years with the company, and job title