The file named NFLinfo.xlsx contains the following data for NFL teams during the 2003– 2006 seasons:

Margin Number of points by which a team outscores its opponent

NYP/A Yards gained passing per pass attempt

YR/A Yards gained per rushing attempt

DNYP/A Yards gained passing by opponents per pass attempt

DYR/A Yards gained rushing by opponents per attempt

TO Turnovers by team

DTO Turnovers by a team’s opponents

Answer the following questions:

Does this data indicate that passing or rushing effectiveness has more impact on team success?

Around how many points does a turnover cost a team?

Many football fans believe you need a good rushing attack to set up the passing game. Does this data give any support to that view?