NO.PZ202212300100014001
问题如下：
Based on Exhibit 1, the standard error of the estimate is closest to:
选项：
A.0.04456
B.0.04585
C.0.05018
解释：
The standard error of the estimate for a linear regression model with one independent variable is calculated as the square root of the mean square error:
怎么知道k=1？
