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OpenStudy (anonymous):
The coefficient of variation for a sample of values Y1,...,Yn is CV=S/Y bar defined by where Ybar is the mean and S is the standard deviation. Let denote a random sample of size 8 from a normal distribution with mean 0 and variance sigma square a) Obtain the distribution of 8Ybar/s^2 b)What is the distribution of s^2/8ybar^2?
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