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Olivia.W🌸 · 2024年03月16日

simple regression

* 问题详情,请 查看题干

NO.PZ202212300100013702

问题如下:

Based on Exhibits 1 and 2, the correlation between the debt ratio and the short interest ratio is closest to:

选项:

A.

-0.3054

B.

0.0933

C.

0.3054

解释:

In simple regression, the R2 is the square of the pairwise correlation. Because the slope coefficient is negative, the correlation is the negative of the square root of 0.0933, or −0.3054.


为啥这个表示slope?

1 个答案

品职助教_七七 · 2024年03月18日

嗨,努力学习的PZer你好:


X变量的coefficient为slope coefficient,即b1.

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