NFL Ratings Page - sagarin.com
There are three group ratings, the "central mean", the "simple average" (also known as the "arithmetic mean" ,) and the WIN50% . The "central mean" gives the most weight to the middle team (s) in the group and progressively less weight to teams as you go away from the middle in either direction, up or down. This tends to smooth out the effect ...
DA: 68 PA: 52 MOZ Rank: 60