[考題] 104高考抽樣
http://wwwc.moex.gov.tw/ExamQuesFiles/Question/104/104080_22070.pdf
第三題
因為考卷有給Z表跟T表而且又是小樣本
所以想請問這題的信賴區間查表值是用T分配或是Z分配
在黃文隆與林定香這兩本書上都是用Z表
但是在原文書Sampling中, 有分小樣本與大樣本
簡單隨機抽樣的自由度為 n-1
分層隨機抽樣的自由度是使用Satterthwaite’s formula 去近似(Sampling P.145)
所以想請問各位高手的想法, 謝謝!!
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