# Question: The weights of all students at a large university have

The weights of all students at a large university have an approximately normal distribution with a mean of 145 pounds and a standard deviation of 18 pounds. Let be the mean weight of a random sample of certain students selected from this university. Calculate the mean and standard deviation of and describe the shape of its sampling distribution for a sample size of

a. 25

b. 100

a. 25

b. 100

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