The dean of a university estimates that the mean number of classroom hours per week for full-time faculty is

11.0. As a member of the student council, you want to test this claim. A random sample of the number of classroom hours for eight full-time faculty for one week is shown in the table below. At =0.01, can you reject the dean's claim? Complete parts (a) through (d) below. Assume the population is normally distributed.

10.2

8.5

12.4

6.5

7.7

11.5

13.8

8.8