Consider the regression model for the NFL data in Exercise
Chapter 12, Problem 71E(choose chapter or problem)
Consider the regression model for the NFL data in Exercise 12-21.
(a) What proportion of total variability is explained by this model?
(b) Construct a normal probability plot of the residuals. What conclusion can you draw from this plot?
(c) Plot the residuals versus \(\hat{\mathrm{y}}\) and versus each regressor, and comment on model adequacy.
(d) Are there any influential points in these data?
Equation Transcription:
Text Transcription:
\hat y
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