(Answered) Look at the residuals refer to the previous exercise figure

Statistics

Look at the residuals. Refer to the previous exercise. Figure 4.26 is a plot of the residuals versus year.

(a) Interpret the residual plot.

(b) Explain how this plot highlights the deviations from the least-squares regression line that you can see in Figure 4.25.

1327_plot of the residuals versus year.png

1282_plot of the residuals versus year1.png

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