for the 2015 general social survey, a comparison of females and males on the number of hours a day that the subject watched tv gave the following results.
Females = 504; mean 3.13
Males = 400; mean 2.87

-. set up the hyphoteses of a significance test to analyze wheter the population means differ for females and males
- conduct all parts of the significance test if df = 503 and standard error = 0.164 interpret the P-value and report the conclusion for a = 0.05