100 升官考統計 相關母體 - 考試
By Isabella
at 2014-05-13T22:43
at 2014-05-13T22:43
Table of Contents
題目:
研究個體件抽樣變異
抽五男五女
女:490 520 550 580 610 令y
男:530 560 590 620 650 令x
若相關母體為常態 顯著水準5%
問題:男平均是否高於女平均15分
我的想法是相關母體設di=xi-yi,i=1-5
d平均數為40 變異數為0
t分配結果是拒絕
但是我看公職王解題
是直接用一般兩獨立母體下去作答
結果是不拒絕
但是題目不是有說是相關母體了嗎?
還是我想法哪邊有錯呢?
先謝謝大家了
--
Sent from my Android
--
研究個體件抽樣變異
抽五男五女
女:490 520 550 580 610 令y
男:530 560 590 620 650 令x
若相關母體為常態 顯著水準5%
問題:男平均是否高於女平均15分
我的想法是相關母體設di=xi-yi,i=1-5
d平均數為40 變異數為0
t分配結果是拒絕
但是我看公職王解題
是直接用一般兩獨立母體下去作答
結果是不拒絕
但是題目不是有說是相關母體了嗎?
還是我想法哪邊有錯呢?
先謝謝大家了
--
Sent from my Android
--
Tags:
考試
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