The freshman 15 refers to the urban legend that is the common belief that students gain an average of 15 lb during freshman year. The weights of 100 freshmen at a certain university were observed in August and then in May. The null hypothesis claim that the mean difference is equal to 15 lbs. 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?
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