The University of Memphis advertises that its average class size is 35 students or less.A student organization is concerned that budget cuts have led to increased class sizes and would like to test this claim. A sample of 38 classes were selected and the average class size is 36.9 students. The standard deviation for the entire college is 8 students. Using an alpha = .05, does the student have enough evidence to show that class sizes have increased? Use the 6-step method.