Question Description

I need an explanation for this Statistics question to help me study.

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?

Must show work on excel–handwritten unacceptable

InsufficientEmergingCompetentProficientMastered
CorrectnessPoints:0 (0.00%)By the end of the discussion correct responses to at least half of the discussion prompts have not been made.Points:12.375 (16.50%)By the end of the discussion correct responses to at least half of the discussion prompts have been made.Points:18.5625 (24.75%)By the end of the discussion correct responses to a majority of the discussion prompts have been made.Points:21.0375 (28.05%)By the end of the discussion correct responses to almost all discussion prompts have been made.Points:24.75 (33.00%)By the end of the discussion correct responses to all discussion prompts have been made.
TopicPoints:0 (0.00%)Initial post does not respond to at least half of the topics addressed in the discussion prompts.Points:12.75 (17.00%)Initial post responds to at least half of the topics addressed in the discussion prompts.Points:19.125 (25.50%)Initial post responds to the majority of the topics addressed in the discussion prompts.Points:21.675 (28.90%)Initial post responds to almost all topics addressed in the discussion prompts.Points:25.5 (34.00%)Initial post responds to all topics addressed in the discussion prompts.
Reply PostPoints:0 (0.00%)No reply post to a classmate is made by the end of the discussion.Points:12.375 (16.50%)A reply post to a classmate has been made by the end of the discussion.Points:18.5625 (24.75%)Points:21.0375 (28.05%)A topical reply post to a classmate is made by the end of the discussion.Points:24.75 (33.00%)A topical and substantial reply post to a classmate is made by the end of the discussion.

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