Statistics Solutions

[Solution Library] Over a 20-year period, the average grade point average of applicants to our graduate program has been found to be 3.27. This year the mean grade

Question: Over a 20-year period, the average grade point average of applicants to our graduate program has been found to be 3.27. This year the mean grade point average of the 57 students applying to our graduate programs is 3.53, with a standard deviation of 0.29. Test the hypothesis that the current sample came from a population in which u= 3.27. use an a level of .05 and a non-directional test.

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