Homoskedasticity is best described as th...

题目

Homoskedasticity is best described as the situation in which the variance of the residuals of a regression is:

选项

A.zero.

B.normally distributed.

C.constant across observations.

答案

C

解析

C is correct. Homoskedasticity is the situation in which the variance of the residuals is constant across the observations.C是正确的。同方差是指残差方差在观测值中保持不变的情况。