Researchers Study the Relationship Between X = Average Salary (In

Multiple Choice

Researchers study the relationship between x = Average salary (in thousands of dollars) and y = Percent of total income spent on recreation and culture. The x values and the corresponding standardized residuals from a simple linear regression are as follows: ​ ​ Construct a standardized residual plot. Based on this plot, does the simple linear regression model seems reasonable? ​

A) The plot suggests that the model is appropriate.
B) A potentially influential observation suggests that the model is not appropriate.
C) The outliers suggest that the model is not appropriate.
D) The curved pattern suggests that the model is not appropriate.
E) An estimated regression line is needed to make the assumptions.