Question: Car rental rates per day fix a sample of sewn Eastern U.S. cities areas follows (The Wall Street Journal. January 16. 2004).
a. Compute the mean. variance, and standard deviation for the car rental rates.
b. A similar sample d sewn Western U.S. cities showed a sample mean car rental rate of 538 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.