Which of the following scatterplots of residuals suggests that a linear model may not be applicable?
I
II
III
IV
A)I
B)II
C)III
D)IV
E)None of the above

Question

Which of the following scatterplots of residuals suggests that a linear model may not be applicable?
I 
II 
III 
IV 
A)I 
B)II 
C)III 
D)IV 
E)None of the above

Quizplus · Accepted Answer

Scatterplot II shows a curve-like pattern, which suggests that a linear model may not be appropriate. The other scatterplots do not show such a pattern and are consistent with a linear model.

Which of the Following Scatterplots of Residuals Suggests That a Linear