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元素周期膘 · 2018年03月16日

问一道题：NO.PZ201709270100000304 第4小题 [ CFA II ]

  1. CFA II
  2. Quantitative

* 问题详情，请 查看题干

问题如下图：

    

选项：

A.

B.

C.

解释：


如果某一项的系数不significant的话，还需要算它吗？

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1 个答案

源_品职助教 · 2018年03月16日

如果题目没有对原方程进行修正，那么还是按照原方程系数计算。

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NO.PZ201709270100000304 问题如下 4. Baseon Exhibit 1, the precteROE for Associates is closest to: 10.957%. 16.593%. 20.388%. C is correct. The regression equation is follows:beginarraylY∧i=9.442+0.069X1i+0.681X2iROE=9.442+0.069(ESG)+0.681(Tenure)=9.442+0.069(55)+0.681(10.5)=9.442+3.795+7.151=20.388begin{array}{l}{\overset\wee Y}_i=9.442+0.069X_{1i}+0.681X_{2i}\\ROE=9.442+0.069(ESG)+0.681(Tenure)\\=9.442+0.069(55)+0.681(10.5)\\=9.442+3.795+7.151=20.388beginarraylY∧i​=9.442+0.069X1i​+0.681X2i​ROE=9.442+0.069(ESG)+0.681(Tenure)=9.442+0.069(55)+0.681(10.5)=9.442+3.795+7.151=20.388 请问怎么知道X1是55；X2是10.5？ 题目中的是什么意思？

2024-01-08 23:29 1 · 回答

NO.PZ201709270100000304问题如下 4. Baseon Exhibit 1, the precteROE for Associates is closest to: 10.957%. 16.593%. 20.388%. C is correct. The regression equation is follows:beginarraylY∧i=9.442+0.069X1i+0.681X2iROE=9.442+0.069(ESG)+0.681(Tenure)=9.442+0.069(55)+0.681(10.5)=9.442+3.795+7.151=20.388begin{array}{l}{\overset\wee Y}_i=9.442+0.069X_{1i}+0.681X_{2i}\\ROE=9.442+0.069(ESG)+0.681(Tenure)\\=9.442+0.069(55)+0.681(10.5)\\=9.442+3.795+7.151=20.388beginarraylY∧i​=9.442+0.069X1i​+0.681X2i​ROE=9.442+0.069(ESG)+0.681(Tenure)=9.442+0.069(55)+0.681(10.5)=9.442+3.795+7.151=20.388 题目原文里面说的这句话Varn expects to finthESG rating is negatively relateto ROE anCEO tenure is positively relateto ROE.但是为何公式里面的b1是大于0的呢？

2022-04-09 14:55 1 · 回答

4. Baseon Exhibit 1, the precteROE for Associates is closest to: 10.957%. 16.593%. 20.388%. C is correct. The regression equation is follows: beginarraylY∧i=9.442+0.069X1i+0.681X2iROE=9.442+0.069(ESG)+0.681(Tenure)=9.442+0.069(55)+0.681(10.5)=9.442+3.795+7.151=20.388begin{array}{l}{\overset\wee Y}_i=9.442+0.069X_{1i}+0.681X_{2i}\\ROE=9.442+0.069(ESG)+0.681(Tenure)\\=9.442+0.069(55)+0.681(10.5)\\=9.442+3.795+7.151=20.388beginarraylY∧i​=9.442+0.069X1i​+0.681X2i​ROE=9.442+0.069(ESG)+0.681(Tenure)=9.442+0.069(55)+0.681(10.5)=9.442+3.795+7.151=20.388 题目中显示是0.0681，而答案写的是0.681

2020-03-14 12:36 1 · 回答

4. Baseon Exhibit 1, the precteROE for Associates is closest to: 10.957%. 16.593%. 20.388%. C is correct. The regression equation is follows: beginarraylY∧i=9.442+0.069X1i+0.681X2iROE=9.442+0.069(ESG)+0.681(Tenure)=9.442+0.069(55)+0.681(10.5)=9.442+3.795+7.151=20.388begin{array}{l}{\overset\wee Y}_i=9.442+0.069X_{1i}+0.681X_{2i}\\ROE=9.442+0.069(ESG)+0.681(Tenure)\\=9.442+0.069(55)+0.681(10.5)\\=9.442+3.795+7.151=20.388beginarraylY∧i​=9.442+0.069X1i​+0.681X2i​ROE=9.442+0.069(ESG)+0.681(Tenure)=9.442+0.069(55)+0.681(10.5)=9.442+3.795+7.151=20.388 怎么算的，我算的答案时13.9521啊。答案里没显示计算过程

2020-02-14 01:04 1 · 回答