問題詳情
一、假定中部山區每天的雨量為隨機變數 X ，其母體平均 E(X) = θ1 及變異數 Var(X) =
。
⑴如果我們有一組隨機樣本 X1 ,..., X n ，請用動差法找出θ1 及θ 2 之估計量。（15 分）
。 ⑴如果我們有一組隨機樣本 X1 ,..., X n ，請用動差法找出θ1 及θ 2 之估計量。（15 分）
參考答案
答案：C
難度：適中0.484642
統計：A(9),B(99),C(142),D(8),E(0)
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