The Residual Plot Below Indicates That One or More of Assumptions

Multiple Choice

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.