1. A national car rental company is interested in determiningwhether the mean days that customers rent cars is the same betweenthree of its major cities. The following data reflect the number ofdays people rented a car for a sample of people in each of threecities.
Nizwa Sohar Muscat
5 7 7
3 7 5
7 11 8
1 5 11
2 7 15
9 3 17
a. Write down the null and alternative hypotheses to betested.
b. Construct the ANOVA table
. c. Given the value of the tabulated F = 3.68 (α=.05), test thehypotheses you formulated in ‘a’ above.
d. Clearly state the test’s decision and conclusion. e. Performpairwise comparisons and make conclusions (using t = 1.5).
