But there are 8-10 Conference Teams getting in.
The tournament committee doesn't evaluate conference records, they look at the record as a whole. Nebraska is 22-10 against the 94th strongest schedule, Penn State is 21-13 against the 74th strongest schedule. Nebraska has is 1-6 against teams in the top 50 RPI, Penn State is 3-5. They are pretty equal.
Those 8-10 teams that get in will undoubtedly have better overall results than either Nebraska or PSU.