Chapter 1: Data and Decisions– Quiz A Name_________________________
1.1.1 Identify various aspects of studies and experiments and/or classify variables.
1. Viamedia, the cable industry’s leading independent cable rep firm and provider of
online advertising services, sponsored an online survey in June, 2013 to understand
television viewing habits. The survey was given to 2,029 American adults age 18 and
older, of whom 1,958 watch television programming. Of interest was how Americans
watched television –72% watch cable TV while 33% watch on a device (tablet,
smartphone, computer). Describe the W’s for the information given.
• Who:
• What:
• When:
• Where:
• How:
• Why:
1.2.2 Identify various aspects of studies and experiments and/or classify variables.
2. The following tables display some of the demographic data collected in a recent
(2012) Nielsen Global Survey analyzing Asian American purchasing behaviors and
television viewing patterns. List the variables in the data set. Indicate whether each
variable is categorical or quantitative. If the variable is quantitative, give the units.
Age
Distribution
% Total
U.S.
Households
% Asian-
American
Households
0–9 13% 12%
10–17 11% 10%
18–24 10% 10%
25–34 13% 16%
45–54 14% 14%
55–74 20% 14%
75+ 6% 4%
Income
Ranges
% Total
U.S.
Households
% Asian-
American
Households
< $25,000 24% 20%
$25,000–
$34,999
11% 8%
$35,000–
$49,999
16%
13%
$50,000–
$74,999
20% 18%
$75,000–
$99,999
12% 14%
$100,000+ 18% 29% Composition
of Asian-
Americans
%
Composition
Asian-Indian 19%
Vietnamese 11%
Chinese 23%
Korean 10%
Filipino 17%
Japanese 5%
Other Asian 15%
1-2 Chapter 1 Data and Decisions
1.2.1 Identify various aspects of studies and experiments and/or classify variables.
3. In addition to the variables listed above, data were also collected on the variables
listed below. Indicate whether each is nominal or ordinal.
• Region of U.S. (NE, NW, MW, SW, SE)
• Education (Less than High School, High School, Some College, College +)
• Marital Status (Single, Widowed, Divorced, Married)
1.2.3 Identify various aspects of studies and experiments and/or classify variables.
4. For each of the following, indicate whether the data are cross-sectional or time series:
• Monthly spending on household goods
• Change in population for 5 consecutive years
• Percentage of adults who bank online
• Composition of types of Asian American families in the most populated U.S.
cities.
• Monthly demand for a technology item
• Percentage of adults who purchase goods online
Quiz A 1-3
Chapter 1: Data and Decisions – Quiz A – Key
1. Viamedia, the cable industry’s leading independent cable rep firm and provider of
online advertising services, sponsored an online survey in June, 2013 to
understand television viewing habits. The survey was given to 2,029 American
adults age 18 and older, of whom 1,958 watch television programming. Of
interest was how Americans watched television –72% watch cable TV while 33%
watch on a device (tablet, smartphone, computer). Describe the W’s for the
information given.
• Who:
• What:
• When:
• Where:
• How:
• Why:
1-4 Chapter 1 Data and Decisions
2. The following tables display some of the demographic data collected in a recent
(2012) Nielsen Global Survey analyzing Asian American purchasing behaviors and
television viewing patterns. List the variables in the data set. Indicate whether each
variable is categorical or quantitative. If the variable is quantitative, give the units.
Quiz A 1-5
3. In addition to the variables listed above, data were also collected on the variables
listed below. Indicate whether each is nominal or ordinal.
4. For each of the following, indicate whether the data are cross-sectional or time series:
1-6 Chapter 1 Data and Decisions
Chapter 1: Data and Decisions – Quiz B Name_________________________
1.1.1 Identify various aspects of studies and experiments and/or classify variables.
1. Consumer Reports Health routinely compares drugs in terms of effectiveness and
safety. In summer 2008 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:
1.2.1 Identify various aspects of studies and experiments and/or classify variables.
2. 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.
1.2.2 Identify various aspects of studies and experiments and/or classify variables.
3. 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.
Age Employment
Category
Education Participates in
Wellness Program?
Paycheck Benefit
Deductions
32 Clerical High School Yes $250
52 Professional College No $120
60 Professional Junior College Yes $0
28 Clerical High School No $120
1.2.3 Identify various aspects of studies and experiments and/or classify variables.
4. 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
Quiz B 1-7
Chapter 1: Data and Decisions – Quiz B – Key
1. Consumer Reports Health routinely compares drugs in terms of effectiveness and
safety. In summer 2008 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.
2. 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.
3. The Human Resources Department of a large corporation maintains records on its
1-8 Chapter 1 Data and Decisions
4. For each of the following, indicate whether the data are cross-sectional or time series:
Quiz C 1-9
Chapter 1: Data and Decisions – Quiz C Name_________________________
1.1.1 Identify various aspects of studies and experiments and/or classify variables.
1. Consumer Reports National Research Center routinely compares products and
services. A poll of more than 1,800 U.S. residents was conducted shortly after the 2008
holiday season. What they found was that fewer people than in the previous year tipped
their service providers (newspaper carrier, barber, mail carrier, hairdresser, garbage
collector) or the amount that consumers tip for specific services was reduced..
Information was reported on the type of service, whether a tip or gift was given, and the
median total value of the tip. Describe the W’s for the information given.
• Who:
• What:
• When:
• Where:
• How:
• Why:
1.2.1 Identify various aspects of studies and experiments and/or classify variables.
2. List the variables reported in the Consumer Reports Magazine article on tipping. If
the variable is quantitative, give the units. If the variable is categorical, indicate whether
it is nominal or ordinal.
1.2.2 Identify various aspects of studies and experiments and/or classify variables.
3. Businesses in a U.S. city were surveyed about information to provide to prospective
employees after graduating from business school. 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.
Employment
Category
Require an MBA
Degree?
Prefer Graduates
with Work
Experience?
Median Salary of
New Graduates
Sales No No $35,000
Management Yes Yes $47,000
Accounting No Yes $52,000
Advertising No No $45,000
1.2.3 Identify various aspects of studies and experiments and/or classify variables.
4. For each of the following, indicate whether the data are cross-sectional or time series:
• Dow Jones Index
• Eating habits by age group
• Attitudes toward abortion over past 10 years
• Voting behavior data for a particular neighborhood
1-10 Chapter 1 Data and Decisions
Chapter 1: Data and Decisions – Quiz C – Key
1. Consumer Reports National Research Center routinely compares products and
services. A poll of more than 1,800 U.S. residents was conducted shortly after the 2008
holiday season. What they found was that fewer people tipped their service providers
(newspaper carrier, barber, mail carrier, hairdresser, garbage collector) than in the
previous year or the amount that consumers tip for specific services was reduced.
Information was reported on the type of service, whether a tip or gift was given, the level
of tipping, and the median total value of the tip. Describe the W’s for the information
given.
2. List the variables reported in the Consumer Reports Magazine article on tipping. If
the variable is quantitative, give the units. If the variable is categorical, indicate whether
it is nominal or ordinal.
Quiz C 1-11
3. Businesses in a U.S. city were surveyed about information to provide to prospective
employees after graduating from business school. 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.
Employment
Category
Require an MBA
Degree?
Level of Work
Experience
Preferred?
Median Salary of
New Graduates
4. For each of the following, indicate whether the data are cross-sectional or time series:
1-12 Chapter 1 Data and Decisions
Chapter 1: Data and Decisions – Quiz D – Multiple Choice
Name________________________
1.1.1 Identify various aspects of studies and experiments and/or classify variables.
1. In the fall of 2007, the Pew Internet & Life Project conducted telephone interviews
with a sample of American adults aged 18 and older about online shopping. American
adults aged 18 and older constitute the ______ of the study.
A. Who
B. What
C. When
D. Where
E. How
1.2.1 Identify various aspects of studies and experiments and/or classify variables.
2. A few of the variables for which data were collected in the Pew Internet & Life
Project study about online shopping 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
1.2.1 Identify various aspects of studies and experiments and/or classify variables.
3. The Pew Internet & Life Project study about online shopping asked respondents to
indicate their education level on the following scale: Less than High School, High
School, Some College, College +. Which of the following statements is (are) true?
A. Education level is a categorical variable.
B. Education level is nominal scaled.
C. Education level is ordinal scaled.
D. Both A and B
E. Both A and C