Which of the following is not one of the assumptions of regression?
A)There is a population regression line that joins the means of the dependent variable for all values of the explanatory variables.
B)The response variable is normally distributed.
C)The standard deviation of the response variable increases as the explanatory variables increase.
D)The errors are probabilistically independent.

Question

Quizplus · Accepted Answer

The assumption C, stating that the standard deviation of the response variable increases as the explanatory variables increase, is not a standard assumption of regression analysis. Instead, regression assumes homoscedasticity, meaning the variance around the regression line is the same for all values of the predictor variable.

Which of the Following Is Not One of the Assumptions