[問題] 假設檢定
從指數分布取出一組隨機樣本 , n=36
p.d.f.=f(x;θ)=(1/θ)‧exp(-x/θ) , 0<x<∞ , 0<θ<∞
_
x=17.6 , s=3.6 , α=0.05
檢定 H0:θ=16 v.s. H1:θ≠16
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想問的是 檢定統計量的部分
_ _
應該是Z=(x-θ)/(θ/√n) 還是(x-θ)/(S/√n)
個人覺得應該是前面的 只是不知道要如何解釋為何不是後面的
麻煩解答了!M(_ _)M
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