題組內容
6. Let \(X_1, X_2, \dots, X_n\) be i.i.d. random variables from a normal distribution \(N(\mu, \sigma^2)\) where \(\mu\) is unknown and \(\sigma^2\) is known.
(a) (10 分) Find an unbiased estimator for μ.
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6. Let \(X_1, X_2, \dots, X_n\) be i.i.d. random variables from a normal distribution \(N(\mu, \sigma^2)\) where \(\mu\) is unknown and \(\sigma^2\) is known.
(a) (10 分) Find an unbiased estimator for μ.