The Excel file National Football League provides various data on professional football for the 2007 season. a.
Question:
a. Construct a scatter diagram for Points/Game and Yards/Game in the Excel file. Does there appear to be a linear relationship?
b. Develop a regression model for predicting Points/Game as a function of Yards/Game. Explain the statistical significance of the model.
c. Draw conclusions about the validity of the regression analysis assumptions from the residual plot and standard residuals.
d. Find a 95% confidence interval for the mean number of Points/Game for teams with 300 Yards/Game.
e. Find a 95% prediction interval for a team having 300 Yards/Game.
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Step by Step Answer:
a There is a very strong linear relationship between the number of points per game and number of yards per game bY 0 1 YardsGame Regression Statistics ...View the full answer
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Related Book For 
Statistics Data Analysis And Decision Modeling
ISBN: 9780132744287
5th Edition
Authors: James R. Evans
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