淑同學
2022-11-08 14:46有點不理解為什么檢驗slope和intercept的時候CV都看的是題目里給出的這些CV? One-sided, left side: -2.445 One-sided, right side: +2.445 Two-sided: ±2.733
所屬:CFA Level I > Quantitative Methods 視頻位置 相關(guān)試題
來源: 視頻位置 相關(guān)試題
1個回答
Evian, CFA助教
2022-11-08 20:30
該回答已被題主采納
ヾ(?°?°?)??Dear candidate,
題目直接給出的這些數(shù)值=查表值,相當于降低了我們解題的難度,不然我們需要根據(jù)顯著性水平和自由度查表找這些關(guān)鍵值。
判斷是否拒絕原假設(shè),是通過對比“關(guān)鍵值”和“檢驗統(tǒng)計量”,前者查表或者題目直接給出,后者計算或者題目直接給出。
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