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What is the standard deviation of the sample mean

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Question: When sampling is from a population with mean 53 and standard deviation 10, using a sample of size 400, what are the expected value and the standard deviation of the sample mean?

Reference no: EM131692801

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What is the standard deviation of the sample mean : When sampling is from a population with mean 53 and standard deviation 10, using a sample of size 400, what are the expected value and the standard deviation?
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