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作者 CMD 在 PTT [ Grad-ProbAsk ] 看板的留言(推文), 共20則
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4F推:推樓上 我看到推文嚇一跳02/23 14:42
2F→:我知道問題在哪了 感謝!!02/16 22:42
7F→:1樓的想法就跟解答講得差不多 不過一般的假設檢定 都不會繞02/08 12:43
8F→:一大圈去這樣設定 二樓好像是我同學= = 怎麼會是C....02/08 12:44
4F→:懂了! 真是高手! 謝謝上面兩位 鼎茂的解答好可惡XD12/30 09:41
3F→:噢噢 我的意思是抽樣誤差+非抽樣誤差 = (B)選項12/19 18:14
4F→:而題目只說抽樣誤差應該不構成(B)選項這個答案12/19 18:15
5F→:但有可能是我的想法有錯@@ 不過高點的解答真的錯不少 才來問12/19 18:15
6F→:剛查了一下網路上的敘述 似乎B是正解12/19 18:23
10F→:感謝G大!! 對阿 我後來有google到題庫@@ 不過有老師說b或c都行12/19 22:09
15F→:感謝I大 不過樣本數的大小應該是算在抽樣誤差吧?12/20 19:06
16F→:因為普查沒有抽樣誤差 而抽樣調查有抽樣誤差12/20 19:07
20F→:因為我翻的兩本參考書 樣本數似乎都歸類在抽樣誤差的樣子@@12/21 10:47
21F→:所以我是用普查跟抽樣的差別來記XD12/21 10:48
3F→:嗯嗯 我大概知道錯在哪裡了@@ 我對X積60-y到45-y12/08 13:52
4F→:下界應該要改成0 因為Y>=4512/08 13:53
8F→:感謝p大跟g大!!12/08 19:28
7F→:謝謝您的回答:) 不過ANOVA也可以用來驗證兩個母體吧?12/06 09:07
8F→:只是ANOVA只能用雙尾 但t可用單尾 不過t^2 = F12/06 09:10
4F→:可是我昨天查到的ppt 有在講這個東西 答案是D才對..12/03 15:45
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