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作者 panda0822 在 PTT [ Statistics ] 看板的留言(推文), 共11則
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1F→:有點看不懂你的問題 不過應該是用ANOVA來檢定04/16 00:52
1F推:因為是有限母體 必須要校正 80/200>5%01/28 05:34
5F→:企鵝蛋11/23 20:29
6F推:Y~Poi(s) X|Y=y~B(n=y P=p) E(X)=E[E(X|Y)]=E(py)=pE(y)11/23 20:46
7F→:=ps11/23 20:46
8F→:Var(X)=Var[E(X|Y)]+E[Var(X|Y)]=Var(ypq)+E(yp)11/23 20:48
9F→:p(1-p)s+p^2s=ps11/23 20:49
7F推:其實只要假設樣本服從常態分配就好11/23 20:52
1F→:感謝10/07 20:59
2F→:所以是X=0~pi/2之間I是1的意思摟10/04 20:55
5F→:對函數積分=1就是PDF10/07 20:59
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