问题如下:
3. Based on the regression, which used data in decimal form, if the CPIENG decreases by 1.0 percent, what is the expected return on Stellar common
stock during the next period?
选项:
A. 0.0073 (0.73 percent).
B. 0.0138 (1.38 percent).
C. 0.0203 (2.03 percent).
解释:
C is correct.
From the regression equation, Expected return = 0.0138 + -0.6486(-0.01) = 0.0138 + 0.006486 = 0.0203, or 2.03 percent.
请问此处的计算为什么不需要考虑残差项?