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1. x1 , x2 , x3 ,...., xn are randomly samples from a normal population N ( μ , σ2 ) . If we use t
問題詳情
1. x1 , x2 , x3 ,...., xn are randomly samples from a normal population N ( μ , σ2 ) . If we use
to estimate σ2 , then
=
(A)
(B)σ
2
(C)
(D)
參考答案
答案:
[無官方正解]
難度:
計算中
-1
書單:
沒有書單,新增
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