兩母體的假設檢定與估計 Notations

2 5 兩獨立母體平均數的統計推論： 大樣本: n 1 ≧30；n 2 ≧30 6 The Sum of Two Independent Normal Dist. 12 12 12 12 22 111 2 12 222 12 1 11 2 22 12 1211 12 22 2 12 12 11 12 If ~ ( , ) and ~ ( , ) are indep., then ~( , ) ( , ) Thus, if ~ ( , ) and ~ ( , ) are ...

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