Thanks for your help! A random sample of n values is taken from a population. Th

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Thanks for your help!

A random sample of n values is taken from a population. The mean and standard deviation of this sample, X and S are then computed. Consider the following statement: Is this equation always true? A. No, this equation is always false B. Yes, but only if the sample is taken from a population of values that appears to follow a Normal distribution C. Yes, this equation is always true. D. Yes, but only if the sample is chosen randomly E. No, this equation in only true sometimes F none of the above

Explanation / Answer

The equation is always TRUE because the sum of any number and mean for all the numbers is always =0. thus correct answer is C

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