Or you could go by current rankings (week 12 AP):
Big 10: 2, 7, 9, 14, 15, 23, 24.
SEC: 1, 4, 5, 11, 13.
Or by FPI:
Big 10: 1, 6, 11, 12, 15, 19, 25, 35, 59, 62, 64, 77, 81, 120. median = 30
SEC: 3, 4, 5, 9, 10, 17, 26, 28, 32, 34, 44, 48, 97, 98. median = 27