Bundle: Statistics for Business & Economics, Loose-Leaf Version, 13th + MindTap Business Statistics with XLSTAT, 1 term (6 months) Printed Access Card
13th Edition
ISBN: 9781337148092
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Publisher: Cengage Learning
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Chapter 2.3, Problem 28E
The following observations are for two quantitative variables, x and y.
- a. develop a crosstabulation for the data, with x as the row variable and y as the column variable. For x use classes of 10–29, 30–49, and so on; for y use classes of 40–59, 60–79, and so on.
- b. Compute the row percentages.
- c. Compute the column percentages.
- d. What is the relationship, if any, between x and y?
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4.3) •VA report from Texas Transportation Institute
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duction Strategies looked into the extra travel time (due to
traffic congestion) for commute travel per traveler per year
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urban areas that had a population of over 3 million for the
year 2002.
Extra Hours per
Traveler per Year
Urban Area
Los Angeles
San Francisco
98
75
Washington DC
Atlanta
66
64
Houston
65
Dallas, Fort Worth
Chicago
Detroit
61
55
54
Miami
48
Boston
53
New York
50
Phoenix
49
Philadelphia
40
4. Compute the mean and median values for extra travel
hours. Based on the values of the mean and median, is the
distribution of extra travel hours likely to be approximately
symmetric, positively skewed, or negatively skewed?
Chapter 2 Solutions
Bundle: Statistics for Business & Economics, Loose-Leaf Version, 13th + MindTap Business Statistics with XLSTAT, 1 term (6 months) Printed Access Card
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