If the residuals from a fitted regression violate the assumption of homoscedasticity, we know that:
A)they are normally distributed.
B)they are independent of one another.
C)their variance is not constant.
D)there are extreme outliers.

Question

Quizplus · Accepted Answer

Violation of the assumption of homoscedasticity means that the variance of the residuals is not constant across different values of the predictor variable(s). This can cause biased regression coefficients and inaccurate hypothesis testing.

If the Residuals from a Fitted Regression Violate the Assumption