I guess the argument could be made that as a whole the south was a little better, but two games removed from a total split doesn't show a huge difference.
ku 4-2
MU 4-2
KSU 3-3
NU 2-4
ISU 2-4
CU 1-5
16-20 Total
A&M 6-0
TT 4-2
UT 4-2
OSU 2-4
OU 2-4
BU 2-4
20-16 Total