NO.PZ2018101001000011
问题如下：
Which one of the following statements is most likely correct?
选项：
A.The standard error of the estimate is the standard deviation of the error terms in the regression.
B.The standard error of the estimate will be high if the relationship is very strong relative to total variability.
C.The bigger the standard error, the better the fit of the regression line.
解释：
A is correct.
考点: Standard Error of Estimate.
解析：估计值的标准误等于残差的标准差。所以A的表述是正确的。估计值的标准误越大，说明两个变量之间的关系越弱，也说明这个回归模型拟合优度降低，拟合的不太好，所以B和C错误。
老师您好，这道题我是排除法做的，对于A选项的这个定义我念叨了几遍也还是不理解，老师可以帮我讲讲吗？谢谢
