Question

National statistics show that the average middle school student spends 8.694 hours per week playing video games. A random sample of 12 middle school students reveals the following times in hours each student spent playing video games.

4.50 9.75 9.50 8.25 5.00 14.50 11.00 4.00 8.25 11.25 11.75 15.50

Has the national average changed? State the hypotheses, check conditions, compute test statistics, standardize and give degrees of freedom. Include a sketch, state the p-value followed by your conclusion.

Answer 1