The residual plot for a linear regression model is shown below. Which of the following is true?
A) The linear model is okay because the same number of points is above the line as below it.
B) The linear model is okay because the association between the two variables is fairly strong.
C) The linear model is no good because the correlation is near 0.
D) The linear model is no good because some residuals are large.
E) The linear model is no good because of the curve in the residuals.

Question

The residual plot for a linear regression model is shown below.  Which of the following is true?
A) The linear model is okay because the same number of points is above the line as below it. 
B) The linear model is okay because the association between the two variables is fairly strong. 
C) The linear model is no good because the correlation is near 0. 
D) The linear model is no good because some residuals are large. 
E) The linear model is no good because of the curve in the residuals.

Quizplus · Accepted Answer

The Answer is E

The Residual Plot for a Linear Regression Model Is Shown