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Which of the following is true about the distribution of sample means? a.) The mean distribution of sample means is normally
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d) The mean of the distribution of the sample mean is same as population mean and less variable than population means.

option(d) is correct.Let ,XI,X2 Xn be 9. Xi population with Pof fix). M = E(X) and f(x) = 62 a random sample from of 1x). Sample Mean X Mean of x-

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