The residual plot below indicates that one or more of assumptions of the linear regression model may not be met. Which of the following is a reasonable conclusion based on this residual plot?
A)The residual plot clearly indicates a non-linear model would be more appropriate.
B)There is evidence that the residuals are not normally distributed.
C)The slope of the regression line is non-zero.
D)The correlation between x and y is non-zero.
E)There is evidence the residuals do not have the same variance for all x values.

Question

The residual plot below indicates that one or more of assumptions of the linear regression model may not be met. Which of the following is a reasonable conclusion based on this residual plot?  ​
A)The residual plot clearly indicates a non-linear model would be more appropriate. 
B)There is evidence that the residuals are not normally distributed. 
C)The slope of the regression line is non-zero. 
D)The correlation between x and y is non-zero. 
E)There is evidence the residuals do not have the same variance for all x values.

Quizplus · Accepted Answer

The Answer of The residual plot below indicates that one or more of assumptions of the linear regression model may not be met. Which of the following is a reasonable conclusion based on this residual plot?  ​
A)The residual plot clearly indicates a non-linear model would be more appropriate. 
B)There is evidence that the residuals are not normally distributed. 
C)The slope of the regression line is non-zero. 
D)The correlation between x and y is non-zero. 
E)There is evidence the residuals do not have the same variance for all x values.

The Residual Plot Below Indicates That One or More of Assumptions