Multiple Choice
A least squares estimated regression line has been fitted to a set of data and the resulting residual plot is shown. Which is true? 
A) The linear model seems appropriate.
B) The linear model is poor because some residuals are large.
C) The linear model is poor because there is a pattern.
D) The plot shows a bend, thus a curved model would be more appropriate.
E) There is one extreme outlier, a transformation of the data is recommended.
Correct Answer:
Verified
Correct Answer:
Verified
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