Magazines
A local magazine store sells an average of 2,100 magazines per day,with a standard deviation of 500 magazines.Consider a sample of 60 days of operation.
-{Magazines Narrative} Find the expected value and the standard error of the sample mean.

Question

Magazines 
A local magazine store sells an average of 2,100 magazines per day,with a standard deviation of 500 magazines.Consider a sample of 60 days of operation.
-{Magazines Narrative} Find the expected value and the standard error of the sample mean.

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The Answer of  Magazines 
A local magazine store sells an average of 2,100 magazines per day,with a standard deviation of 500 magazines.Consider a sample of 60 days of operation.
-{Magazines Narrative} Find the expected value and the standard error of the sample mean.

Magazines A Local Magazine Store Sells an Average of 2,100 Magazines