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 variance that is constant for any given value of GMAT.
C)SALARY is independent of GMAT.
D)The errors of predicting SALARY have a mean of 0.

Question

Quizplus · Accepted Answer

For simple linear regression analysis to be valid, it is assumed that the dependent variable (SALARY) is related to the independent variable (GMAT), not independent of it. Assumptions A, B, and D are standard for regression analysis, focusing on the distribution, variance, and mean of errors, respectively.

For the Situation Above, Which of the Following Is Not