For the situation above, which of the following is not an assumption required for the simple linear regression analysis to be valid?
A) The errors of predicting SALARY are normally distributed.
B) The errors of predicting SALARY have a mean of 0.
C) The errors of predicting SALARY have a variance that is constant for any given value of GMAT.
D) SALARY is independent of GMAT.

Question

Quizplus · Accepted Answer

Simple linear regression assumes that there is a linear relationship between the independent variable (GMAT) and the dependent variable (SALARY), not that they are independent.

For the Situation Above, Which of the Following Is Not