11-57. Consider the NFL data introduced in Exercise 11-4. (a) Estimate the correlation

Chapter 11, Problem 11-57

(choose chapter or problem)

11-57. Consider the NFL data introduced in Exercise 11-4. (a) Estimate the correlation coefficient between the number of games won and the yards rushing by the opponents. (b) Test the hypothesis H0: 0 versus H1: 0 using 0.05. What is the P-value for this test? (c) Construct a 95% confidence interval for . (d) Test the hypothesis H0: 0.7 versus H1: 0.7 using 0.05. Find the P-value for this test.

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