Question: Refer to the NFL quarterback ratings data in Exercise 11-5. Find a 95% confidence interval on each of the following: (a) Slope (b) Intercept (c)

Refer to the NFL quarterback ratings data in Exercise 11-5. Find a 95% confidence interval on each of the following:

(a) Slope

(b) Intercept

(d) Find a 95% prediction interval on the rating when the average yards per attempt is 8.0.

Exercise 11-5

See Table E11-1 for data on the ratings of quarterbacks for the 2008 National Football League season (The Sports Network). It is suspected that the rating (y) is related to the average number of yards gained per pass attempt (x).

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