7.24. For the 2014 General Social Survey, a comparison of females and males on the number of hours a day that the subject watched TV gave:

(a)Conduct all parts of a significance test to analyze whether the population means differ for females and males. Interpret theP-value, and report the conclusion for ?-level = 0.05.

(b)If you were to construct a 95% confidence interval comparing the means, would it contain 0? Answer based on the result of (a), without finding the interval.

(c)Do you think that the distribution of TV watching is approximately normal? Why or why not? Does this affect the validity of your inferences? Why?