A rowing team consists of four rowers who weight 152, 156, 160, and 164 pounds. Find all possible random samples without replacement of size two and compute the sample mean for each one. Use them to find the sampling distribution of the sample mean. Also verify the results.
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Answer:The mean of the sample mean ˉX that we have just computed is exactly the mean of the population. The standard deviation of the sample mean ˉX that we have just computed is the standard deviation of the population divided by the square root of the division
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