Question

A sampling distribution is constructed based on a sample size of 25. If the sampling distribution...

A sampling distribution is constructed based on a sample size of 25. If the sampling distribution has a mean of 500 and a standard error of 15, what is the standard deviation of the original comparison population?

A. 60

B. 75

C. 30

D. 50

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Answer #1

CORRECT OPTION(B)=75

The standard error is the standard deviation of the population divided by the square root of N. In this case,

15=(Standard deviation)/sq root of 25

15=standard deviation/5

standard deviation=15*5=75

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