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A population has a mean u = 140 and a standard deviation 0' = 28. Find the mean and standard deviation of the sampling distribution

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A population has a mean u = 140 and a standard deviation 0' = 28. Find the mean and standard deviation of the sampling distribution of sample means with sample size n = 56. <:> The mean is \"i = D, and the standard deviation is a; = D. (Round to three decimal places as needed.)

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