determine if our course has done significantly better than traditional college courses with a mean score of 75

Below is a table containing each students’ overall course grade for this current section of class. (You all have done well!) I have sorted these grades from highest to lowest so that grades cannot be matched with any students’ names. For this assignment, I would like you to determine if our course has done significantly better than traditional college courses that have a mean score of 75%. It is up to you to determine what type of hypothesis test to use, if this test is one-tailed or two tailed. But, please use an alpha equal to .05. Also, you MUST show all work. (See Word doc for all specifics)

 
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