[問題] c4怎麼求出來?
Let X1, X2, ...,Xn be a random sample from 常態分佈(平均值,變異數)
Sx^2為樣本變異數,Sx^2=累加(Xi-X平均)/(n-1) i從1到n
Find the value of c4 such that E(Sx)=c4x標準差
如果有高手知道c4是怎麼推論出來的話
可以指導一下小弟嗎??用變數變換??用動差去硬拚嗎??
小弟不才,懇請高手賜教,數學符號真的很難打,如果有興趣的大大
我可以寄電子檔給你,比較方便解讀
小弟信箱 mathsolutionask@gmail.com
不知道PO在這邊適不適合,如果不適合,請告知小弟
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◆ From: 36.227.24.45
※ 編輯: zeromax0613 來自: 36.227.24.45 (01/21 00:07)
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