The Essentials of Statistics: A Tool for Social Research
The Essentials of Statistics: A Tool for Social Research
4th Edition
ISBN: 9781305802698
Author: Joseph F. Healey
Publisher: Cengage Learning US
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Chapter 3, Problem 3.4P

The following table presents the annual person-hours of time lost due to traffic congestion for a group of cities for 2009. This statistic is a measure of traffic congestion.

City Annual Person-Hours
Lost to traffic Congestion
Baltimore 33
Boston 28
Buffalo 11
Chicago 44
Cleveland 13
Dallas 32
Detroit 23
Houston 37
Kansas City 14
Los Angeles 40
Miami 26
Minneapolis 27
New Orleans 20
New York 24
Philadelphia 26
Phoenix 23
Pittsburgh 23
San Antonio 19
San Diego 23
San Francisco 30
27
Seattle
Washington, D.C. 41

Source: U.S. Bureau of the Census. 2012. Statistical Abstract of the United States: 2012. Table 1099. Available at http://www.census.gov/prod/2011pubs/12statab/trans.pdf

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