Assume that the heights of 3000 male students at a university are normally distributed with mean 68

Math Sep 15, 2020

Assume that the heights of 3000 male students at a university are normally distributed with mean 68.0 inches and a standard deviation of 3.0 inches. If 80 samples consisting of 25 students each are obtained, what would be the mean and standard deviation of the resulting sample of means if sampling were done (a) with replacement, (b) without replacement?