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Standard deviation of random variable

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Reference no: EM131941963

It is known that the average return on a stock is 29.1% with the standard deviation equal to 19.8%. A simple random sample of 54 returns is to be selected and the average return of the sample is to be found. You can say that this sample average is a random variable. What is the standard deviation of this random variable? Round your answer to 2 decimal places.

Reference no: EM131941963

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