Describe the relationship between the pdf of a random variable X and pdf of its mean based on a sample of size n? The va
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Describe the relationship between the pdf of a random variable X and pdf of its mean based on a sample of size n? The va
Describe the relationship between the pdf of a random variable X and pdf of its mean based on a sample of size n? The variance of the pdf of the mean is controllable by altering the sample size, but the variance of X is not They have different means but the same variance O They come from the same source (X) so they are identical The variance of X shrinks as the sample size increases
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