We know that the mean weight of men is greater than the mean weight of women, and the mean height of men is greater than the mean height of women. A person’s body mass index (BMI) is computed by dividing weight (kg) by the square of height (m). Given below are the BMI statistics for random samples of males and females.
Use a 0.05 significance level to test the claim that males and females have the same mean BMI.
Male BMI: n1 = 40, ?x1 = 28.44, s1 = 7.39
Female BMI: n2 = 40, ?x2 = 26.60, s2 = 5.35
Use the region rejection approach and p-value approach.