The mean of the population is 15 and the standard deviation


A sample of size 9 is to be drawn from a population that has a Uniform distribution of infinite size. The mean of the population is 15 and the standard deviation of the population is 2.887. The mean and standard deviation of the sample average (respectively)

A. are 15 and 2.887. B. are 9 and 0.9623. C. are 15 and 0.9623. D. cannot be determined because X does not have a Normal distribution

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