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?