Solved by verified expert:The freshman 15 refers to the urban legend that students gain an
average of 15 pounds during their freshman year of college. The weights
of 100 freshmen at a certain University were observed in August and then
re-examined in May. The claim that the mean difference is equal to 15
pounds is tested at a 0.05 significance level. The result is “fail to
reject the null hypothesis”. What do the results suggest?What factors could have affected the results? How can these results be used to make changes on campus?