What is every Big 12 Conference team's record against the over/under line as a home favorite in the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Texas Tech 4-0-0 100.0% 0.0% +28.9
Kansas 1-0-0 100.0% 0.0% +30.5
Oklahoma St 3-1-0 75.0% 25.0% +7.4
Texas 3-1-0 75.0% 25.0% +13.8
Oklahoma 4-2-0 66.7% 33.3% +6.2
Kansas St 2-1-0 66.7% 33.3% +9.3
Baylor 3-2-0 60.0% 40.0% +2.7
TX Christian 2-3-0 40.0% 60.0% -7.7
W Virginia 1-6-0 14.3% 85.7% -8.9
Iowa State 0-2-0 0.0% 100.0% -15.2