Which of the following is NOT an assumption for the simple linear regression model?
A) The error terms are independent of each other.
B) The error terms have equal variances for all values of the independent variable.
C) The distribution of the error terms will be skewed to the left or right depending on the values of the dependent variable.
D) The mean of the dependent variable for all levels of the independent variable can be connected by a straight line.

Question

Quizplus · Accepted Answer

The assumption that the distribution of the error terms will be skewed to the left or right depending on the values of the dependent variable is not a valid assumption for the simple linear regression model. The error terms are assumed to be normally distributed with a mean of zero and constant variance for all values of the independent variable.

Which of the Following Is NOT an Assumption for the Simple