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A random sample of 300 students was found to have a mean height of 64 inches...

A random sample of 300 students was found to have a mean height of 64 inches and standard deviation of 2.3 inches. What is the standard error of the mean? (Assume that the population from which the 300 students are drawn is much larger than 300.)

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Answer #1

standard error of the mean =population standard deviaiton /sqrt(n) =2.3/sqrt(64)=0.2875

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