I need help with this problem. I put everything in excel and My graph looks messy and Iget lost on what this problem wants me to do. Please help!

11. The Excel file National Football League provides various data on professional football for one season.
a. Construct a scatter diagram for points/game and yards/game in the Excel file. Does there appear to be a linear relationship?
b. Use the Regression tool to develop a model for predicting points/game as a function of yards/game. Explain the statistical significance of the model and the R2 value.
National Football League Data 2007 Season.xlsx
This is from the solutions
Team	Points/Game	Yards/Game
Arizona Cardinals	25.2	344.1
Atlanta Falcons	16.2	301
Baltimore Ravens	17.2	302
Buffalo Bills	15.8	277.1
Carolina Panthers	16.7	284.9
Chicago Bears	20.9	293.2
Cincinnati Bengals	23.8	348
Cleveland Browns	25.1	351.3
Dallas Cowboys	28.4	365.7
Denver Broncos	20	346.3
Detroit Lions	21.6	322.9
Green Bay Packers	27.2	370.7
Houston Texans	23.7	333.6
Indianapolis Colts	28.1	358.7
Jacksonville Jaguars	25.7	357.4
Kansas City Chiefs	14.1	276.8
Miami Dolphins	16.7	287.5
Minnesota Vikings	22.8	336.2
New England Patriots	36.8	411.2
New Orleans Saints	23.7	361.2
New York Giants	23.3	331.4
New York Jets	16.8	294.7
Oakland Raiders	17.7	294.8
Philadelphia Eagles	21	358.1
Pittsburgh Steelers	24.6	327.4
San Diego Chargers	25.8	315.2
San Francisco 49ers	13.7	237.3
Seattle Seahawks	24.6	348.9
St. Louis Rams	16.4	297.5
Tampa Bay Buccaneers	20.9	326.8
Tennessee Titans	18.8	311.7
Washington Redskins	20.9	333.4