tu
FOR BUSINESS STATISTICS
DIRK TEMPELAAR
d
Maastricht University
yg
BUSINESS STATISTICS
en
4TH EDITION
iu
NOREAN R. SHARPE
s2
St. John’s University
RICHARD D. DE VEAUX
47
Williams College
PAUL F. VELLEMAN
??
Cornell University
??
??
? ?
,tu
Chapter 1: Data and Decisions – Quiz A Name_________________________
1.4 Data Sources: Where, How, and When
d
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
yg
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:
en
• Where:
• How:
• Why:
1.3 Variable Types.
2. The following tables display some of the demographic data collected in a recent
iu
(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.
Income % Total % Asian- Age % Total % Asian-
s2
Ranges U.S. American Distribution U.S. American
Households Households Households Households
< $25,000 24% 20% 0–9 13% 12%
$25,000–
11% 8% 10–17 11% 10%
$34,999
47
$35,000–
16% 13% 18–24 10% 10%
$49,999
$50,000–
20% 18% 25–34 13% 16%
$74,999
$75,000–
12% 14% 45–54 14% 14%
$99,999
??
$100,000+ 18% 29% 55–74 20% 14%
75+ 6% 04%
Composition of % Composition
Asian-Americans
Asian-Indian 19%
??
Vietnamese 11%
Chinese 23%
Korean 10%
Filipino 17%
Japanese 5%
??
Other Asian 15%
1-1
Copyright © 2019 Pearson Education, Inc.
? ?
, 1-2 Chapter 1 Data and Decisions
tu
1.3 Variable Types.
3. In addition to the variables listed above, data were also collected on the variables
listed below. Indicate whether each is nominal or ordinal.
d
• Region of U.S. (NE, NW, MW, SW, SE)
• Education (Less than High School, High School, Some College, College +)
yg
• Marital Status (Single, Widowed, Divorced, Married)
1.3 Variable Types.
4. For each of the following, indicate whether the data are cross-sectional or time series:
• Monthly spending on household goods
en
• 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
iu
s2
47
??
??
??
Copyright © 2019 Pearson Education, Inc.
? ?
, Quiz A 1-3
tu
Chapter 1: Data and Decisions – Quiz A – Key
1. Viamedia, the cable industry's leading independent cable rep firm and provider of
d
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,
yg
smartphone, computer). Describe the W’s for the information given.
• Who:
American adults aged 18 and older
en
• What:
Television viewing
• When:
June 2013
iu
• Where:
United States
• How:
Online survey
s2
• Why:
to analyze how Americans watch television
47
??
??
??
Copyright © 2019 Pearson Education, Inc.
? ?