Refer to Exercise 11.7. Are the population variances the same

Refer to Exercise 11.7. Are the population variances the same for the GPAs (4 majors)?
Exercise 11.7
Semester GPAs are compared for seven randomly chosen students in each class level at Oxnard University. Do the data show a significant difference in mean GPAs?
Refer to Exercise 11.7. Are the population variances the same

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