The National Football League (NFL) records a variety of performance data for individuals and teams. To investigate the importance of passing on the percentage of games won by a team, the following data show the average number of passing yards per attempt (Yards/Attempt) and the percentage of games won (WinPct) for a random sample of 10 NFL teams for the 2011 season.

Team	Yards/Attempt	WinPct
Arizona Cardinals	6.5	50
Atlanta Falcons	7.1	63
Carolina Panthers	7.4	38
Chicago Bears	6.4	50
Dallas Cowboys	7.4	50
New England Patriots	8.3	81
Philadelphia Eagles	7.4	50
Seattle Seahawks	6.1	44
St Louis Rams	5.2	13
Tampa Bay Buccanners	6.2	25

(a) Develop a scatter diagram with the number of passing yards per attempt on the horizontal axis and the percentage of games won on the vertical axis.

0 "he slope gives the change in the percentage of games won for every one yard increase in the average number of passes per attempt. 0 'he siope gives the change in the average number of passes per attempt for every one percentage point increase in the percentage of games won. 0 The siope gives the change in the average number of passes per attempt for even\":r one percentage point decrease in the percentage of games won. 0 'he siope gives the percentage of games won when the average number of passes per attempt is I]. 0 "he siope gives the average number of passes per attempt when the percentage of games won is 0%. O The predicted value is lower than the actual value. 0 The predicted value is identical to the actual value. 0 The predicted value is higher than the actual value.