Chapter 8.3, Problem 11E

For Exercises 7 through 23, perform each of the following steps.

a. State the hypotheses and identify the claim.

b. Find the critical value(s).

c. Find the test value.

d. Make the decision.

e. Summarize the results.

Use the traditional method of hypothesis testing unless otherwise specified.

11. Television Viewing by Teens Teens are reported to watch the fewest total hours of television per week of all the demographic groups. The average television viewing for teens on Sunday from 1:00 to 7:00 P.M. is 58 minutes. A random sample of local teens disclosed the following times for Sunday afternoon television viewing. At α = 0.01, can it be concluded that the average is greater than the national viewing time? (Note: Change all times to minutes.)