A Least Squares Estimated Regression Line Has Been Fitted to a Set

question 175

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 is appropriate.
• B)The linear model is poor because some residuals are large.
• C)The linear model is poor because the correlation is near 0.
• D)A curved model would be better.
• E)A transformation of the data is required.

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