102地特四等經建+交通 統計學概要 - 考試

By Eden
at 2013-12-24T20:33
at 2013-12-24T20:33
Table of Contents
[考題] 國考歷屆考題與考題觀念討論(書裡看到的選這個)請附上想法、出處
有關申論題第五題
某百貨公司紀錄顧客消費三種信用卡(VISA MasterCard AE)
若該公司欲比較三種信用卡的平均每筆交易金額是否有差異
從三種信用卡中隨機各抽出30名顧客做變異數分析
他給的四個查表值分別是
F(2,60)=3.15
F(2,120)=3.07
F(3,60)=2.76
F(3,120)=2.68
這要怎麼做檢定???不是應該給F(2,87)嗎???
知道的人請告知謝謝!
--
有關申論題第五題
某百貨公司紀錄顧客消費三種信用卡(VISA MasterCard AE)
若該公司欲比較三種信用卡的平均每筆交易金額是否有差異
從三種信用卡中隨機各抽出30名顧客做變異數分析
他給的四個查表值分別是
F(2,60)=3.15
F(2,120)=3.07
F(3,60)=2.76
F(3,120)=2.68
這要怎麼做檢定???不是應該給F(2,87)嗎???
知道的人請告知謝謝!
--
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考試
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