That's an average of 5.85 games/team.
Which means that by the "round up" rule, even if every game in the final week prior to champions week were cancelled, OSU/MN/MD/UW would be ineligible for the CCG.
A couple points:
I think the "round up" rule applies after the issue of whether or not the average "dropped below six". Ie, 5.85 IS less than six so if every final week game got cancelled the "no less than two fewer" language WOULD be invoked. The average would be 5.85 which rounds up to six meaning that any team that played at least four games would be eligible
Second, Ohio State and Minnesota could still be eligible even if the six game minimum applies as both will have played five games after this weekend (assuming tOSU/MSU happens). Thus, if they also play next weekend (tOSU is scheduled to host M while MN is scheduled to visit UNL) they would have six games and be eligible.
Third, in the case of MN, UMD, and UW it is (probably) irrelevant because none of them are in the running for their division championships anyway. Assuming the rules are not changed, Northwestern has already clinched the B1G-W and Ohio State will represent the B1G-E in Indy unless they do not win anymore games.