The National Football League (NFL) records a variety of performance data for individuals and teams. The NFLStats data is given on Week 11 content section of Classes. Using that data, answer the following questions: a. Develop an estimated regression equation that can be used to predict the percentage of games won. b. What is the goodness of fit of your model? Explain with the statistical output you have obtained. c. Compare AFC and NFC teams by their winning percentage. Use a level of significance of 0.05 in all your test.