Passer Rating for NFL Quarterbacks Approximate the quarterback rating (to...

Passer Rating for NFL Quarterbacks Approximate the quarterback rating (to the nearest tenth) of Drew Brees of the New Orleans Saints during the 2008 regular season. He attempted 514 passes, completed 363, had 4388 total yards, threw for 34 touchdowns, and had 11 interceptions. (Source: World Almanac and Book of Facts.)

where A = attempted passes, C = completed passes, T = touchdown passes, Y = yards gained passing, and I = interceptions.

In addition to the weighting factors appearing in the formula, the four category ratios are limited to nonnegative values with the following maximums.