问题如下：
5. For Batten’s regression model, the standard error of the estimate shows that the standard deviation of:
选项：
A. the residuals from the regression is 0.0710.
B. values estimated from the regression is 0.0710.
C. Stellar’s observed common stock returns is 0.0710.
解释：
A is correct.
Because the standard error of the estimate is the standard deviation of the regression residuals.
请问B选项为什么不对，觉得与Ａ是同一个意思。谢谢。