Question: Use the plot of the standardized Pearson residuals versus the observation index given in Figure 10.13 to answer the following questions. (a) Does this residual

Use the plot of the standardized Pearson residuals versus the observation index given in Figure 10.13 to answer the following questions.

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(a) Does this residual plot suggest there are observations for which the model is not fitting well?

(b) How should the influence of an observation for which there is an unusually large standardized Pearson residual be investigated further?

Coefficients Term Coef SE Coef VIF Constant -40.10 5.42 Abdomen 0.4381 0.0594 1.00 Figure 10.11 The MINITAB output for Exercise 10.30.

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