Question: Let X1,...,Xn be random sample from the normal distribution with the population mean and the unknown population variance 2. Define H0 : = 0, and

Let X1,...,Xn be random sample from the normal distribution with the population mean and the unknown population variance 2. Define H0 : = 0, and Ha : = 0. (a) (3') Derive the test statistic. (b) (3') Derive the rejection region for approximate level test

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