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Exercise2

# Exercise2 - SAS In Class Exercise 2 1 You have a SAS data...

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SAS In Class Exercise 2 1. You have a SAS data set called college.sas7bdat (copy it to your SASdata folder). a. Compute the mean, median, minimum, maximum and the number of both missing and nonmissing values for the variables ClassRank and GPA. b. Repeat part a, except compute the desired statistics for each combination of Gender and SchoolSize. Do this twice, once using a BY statement, and once using a CLASS statement. c. Report the mean and median GPA and ClassRank broken down by school size (SchoolSize). Do this twice, once using a BY statement, and once using a CLASS statement. d. Create a summary data set (call it Class_Summary) containing the n, mean, and median of ClassRank and GPA for each value of SchoolSize. Use a CLASS statement and be sure that the summary dataset only contains statistics for each level of SchoolSize. e. Construct a 90% confidence interval for μ GPA . f. Test the hypothesis H 0 : μ GPA = 3.75 vs H a : μ GPA 3.75 with α = 0.05 g. Produce frequencies for the variables Gender and Scholarship. h.

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Exercise2 - SAS In Class Exercise 2 1 You have a SAS data...

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