Please, attach one Excel file with solutions to all exercises for this assignment. You can send a link of the Excel file to me.

Suppose the University of Memphis advertises that its average class size is 35 or fewer students. A student organization is concerned that budget cuts have led to increased class sizes and would like to test this claim. A random sample of 38 classes was selected, and the average class size was found 36.9 students. Assume that the standard deviation for the class size in the college is 8 students.Using ?= 0.01, test the student organization's claim.

To test the claim:

A Use the critical value approach

B Use the p-value approach