(a) Q (b) (c) Tell what each of the residual plots to the right indicates about the appropriateness of the linear model that was fit to the data. X-values X-values Xvalues (a) Choose the best answer for residuals plot (a). O A. The curved pattern in the residuals plot indicates that the linear model is not appropriate. The relationship is not linear. O B. The fanned pattern indicates that the linear model is not appropriate. The model's predicting power decreases as the values of the explanatory variable increases. O C. The scattered residuals plot indicates an appropriate linear model. (b) Choose the best answer for residuals plot (b). O A. The curved pattern in the residuals plot indicates that the linear model is not appropriate. The relationship is not linear. O B. The scattered residuals plot indicates an appropriate linear model. O C. The fanned pattern indicates that the linear model is not appropriate. The model's predicting power increases as the values of the explanatory variable increases. (c) Choose the best answer for residuals plot (c) O A. The residual plot indicates that most of the data fall roughly along a straight line, with the exception of a single point. O B. The scattered residuals plot indicates an appropriate linear model. O C. The curved pattern in the residuals plot indicates that the linear model is not appropriate. The relationship is not linear.
(a) Q (b) (c) Tell what each of the residual plots to the right indicates about the appropriateness of the linear model that was fit to the data. X-values X-values Xvalues (a) Choose the best answer for residuals plot (a). O A. The curved pattern in the residuals plot indicates that the linear model is not appropriate. The relationship is not linear. O B. The fanned pattern indicates that the linear model is not appropriate. The model's predicting power decreases as the values of the explanatory variable increases. O C. The scattered residuals plot indicates an appropriate linear model. (b) Choose the best answer for residuals plot (b). O A. The curved pattern in the residuals plot indicates that the linear model is not appropriate. The relationship is not linear. O B. The scattered residuals plot indicates an appropriate linear model. O C. The fanned pattern indicates that the linear model is not appropriate. The model's predicting power increases as the values of the explanatory variable increases. (c) Choose the best answer for residuals plot (c) O A. The residual plot indicates that most of the data fall roughly along a straight line, with the exception of a single point. O B. The scattered residuals plot indicates an appropriate linear model. O C. The curved pattern in the residuals plot indicates that the linear model is not appropriate. The relationship is not linear.
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Transcribed Image Text:(a)
Tell what each of the residual plots to the right indicates about the appropriateness of the linear model that was fit to the data.
X-values
(a) Choose the best answer for residuals plot (a).
O A. The curved pattern in the residuals plot indicates that the linear model is not appropriate. The relationship is not linear.
O B. The fanned pattern indicates that the linear model is not appropriate. The model's predicting power decreases as the values of the explanatory variable increases.
O C. The scattered residuals plot indicates an appropriate linear model.
(b) Choose the best answer for residuals plot (b).
O A. The curved pattern in the residuals plot indicates that the linear model is not appropriate. The relationship is not linear.
O B. The scattered residuals plot indicates an appropriate linear model.
O C. The fanned pattern indicates that the linear model is not appropriate. The model's predicting power increases as the values of the explanatory variable increases.
(c) Choose the best answer for residuals plot (c).
O A. The residual plot indicates that most of the data fall roughly along a straight line, with the exception of a single point.
O B. The scattered residuals plot indicates an appropriate linear model.
O c. The curved pattern in the residuals plot indicates that the linear model is not appropriate. The relationship is not linear.
Click to select your answer.
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