Question

Car rental rates per day for a sample of seven Eastern U.S. cities are as follows (The Wall Street Journal, January 16, 2004).
City Daily Rate
Boston .......... $43
Atlanta .......... 35
Miami ........... 34
New York .......... 58
Orlando .......... 30
Pittsburgh .......... 30
Washington, D.C. ....... 36
a. Compute the mean, variance, and standard deviation for the car rental rates.
b. A similar sample of seven Western U.S. cities showed a sample mean car rental rate of $38 per day. The variance and standard deviation were 12.3 and 3.5, respectively.
Discuss any difference between the car rental rates in Eastern and Western U.S. cities.


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  • CreatedSeptember 20, 2015
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