Consider the NFL data in Exercise 12-21.(a) Find 95%

Chapter 12, Problem 65E

(choose chapter or problem)

Consider the NFL data in Exercise 12-21.

(a) Find 95% confidence intervals on the regression coefficients.

(b) What is the estimated standard error of \(\hat{\mu}_{Y \mid x_{0}}\) when the percentage of completions is 60%, the percentage of TDs is 4%, and the percentage of interceptions is 3%.

(c) Find a 95% confidence interval on the mean rating when the percentage of completions is 60%, the percentage of TDs is 4%, and the percentage of interceptions is 3%.

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