問題詳情

5.(20%) Let X be a random variable with mean /.i and finite varianceσ2. Wc want to test the hypotheses

,where /iq is specified. Let X1, • • •, Xn be a random sample from the distribution of X and denote the sample mean and variance by 

and S2respectively.
【題組】(a)Find the decision rule with the approximate size a of the test.

參考答案

答案：D
難度：非常簡單0.901124
統計：A(12),B(23),C(1),D(401),E(0)

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