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