不太明白

问题如下：

In a regression, which of the following does the error term represent?

选项：

A.

dependent variable that is not explained by the independent variable(s) but could possibly be explained by adding additional independent variables.

B.

dependent variable that is explained by the error in the independent variable(s).

C.

independent variables that are explained by the dependent variable.

D.

dependent variable that is explained by the independent variable(s).

解释：

A is correct.

考点：回归

解析：残差项表示的是没有被自变量解释的因变量，但可能会被增加的自变量解释。