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I A study on the latest fad diet claimed that the amounts of weight lost by all people on this diet had a mean of21.3pounds

I

A study on the latest fad diet claimed that the amounts of weight lost by all people on this diet had a mean of21.3pounds and a standard deviation of4.7pounds. If a sampling distribution is created using samples of the amounts of weight lost by84people on this diet, what would be the standard deviation of the sampling distribution of sample means? Round to two decimal places, if necessary.

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