Posted by **Mel** on Friday, October 24, 2008 at 1:46pm.

Develop two-null hypothesis tests to ascertain if there are any statistical variances in the averages of bus route times and any statistical variance among the average performance of the bus drivers. Use the following information to conduct the test:

The three bus routes are the treatments.

The three bus drivers are the blocks.

The common element is driving time.

Route 1 Time

Route 2 Time

Route 3 Time

Driver 1

24 minutes

21 minutes

27 minutes

Driver 2

28 minutes

27 minutes

25 minutes

Driver 3

18 minutes

13 minutes

19 minutes