I took at look at each team's records against other teams that made it into the tournament. The results weren't all that different from what you would expect, with a few exceptions.
Wisconsin: 10-3-1
Boston University: 10-4-1
Minnesota: 8-4-1
Harvard: 5-3-1
Michigan State: 8-6-4
Nebraska-Omaha: 6-5-1
North Dakota: 9-8-1
Miami: 4-4
Colorado College: 5-6-1
Maine: 5-6
New Hampshire: 5-7-2
Cornell: 2-3
Michigan: 3-9-4
Boston College: 3-10-1
Holy Cross: 0-1
Bemidji State: 0-2
Wisconsin: 10-3-1
Boston University: 10-4-1
Minnesota: 8-4-1
Harvard: 5-3-1
Michigan State: 8-6-4
Nebraska-Omaha: 6-5-1
North Dakota: 9-8-1
Miami: 4-4
Colorado College: 5-6-1
Maine: 5-6
New Hampshire: 5-7-2
Cornell: 2-3
Michigan: 3-9-4
Boston College: 3-10-1
Holy Cross: 0-1
Bemidji State: 0-2