Which NCAA Division I collegiate athletic conference did the 2016 Washington State Cougars football team play in?
2016 Washington State Cougars football team:  They were members of the North Division of the Pac-12 Conference. Pac-12 Conference: The Pac-12 Conference (officially the Pacific-12 Conference) is a collegiate athletic conference that operates in the Western United States, participating in 22 sports at the NCAA Division I level.
Pac-12 Conference