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

Question

Quizplus · Accepted Answer

The assumption for the simple linear regression model is that the error terms are normally distributed (not necessarily skewed left or right), which contradicts choice B. Other assumptions include independence of errors (A), homoscedasticity or equal variances of errors (C), and a linear relationship between the dependent and independent variables (D).

Which of the Following Is NOT an Assumption for the Simple