15.25 GPAs The Georgia Student Survey data file has data on college GPA and high school GPA for 59 University of Georgia students.

a. If you wanted to use a nonparametric test to check your friend’s prediction that high school GPAs tend to be higher than college GPAs, which would you use?

b. What would be a reason for using the nonparametric method to do this?

c. Use the test in part a to do this analysis and interpret the result.