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The average time scheduled for a doctor's visit is 21 minutes with a standard deviation of 16 minutes. A researcher uses a sampling distribution made

The average time scheduled for a doctor's visit is 21 minutes with a standard deviation of 16 minutes. A researcher uses a sampling distribution made up of samples of size 316. (Use these numbers for this question only!) According to the Central Limit Theorem, what is the standard error of the mean?

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