>I'm a student in your class and at this point my hand shoots up..."Professor Florida...isn't it misleading or at least ambiguous to compare the "average home" in Vancouver to Greater Toronto and then add to the confusion with a detached home comparison twixt Greater Toronto and Greater Vancouver? 

-"Average home" includes semi-detached houses and condominiums.
-Detached houses cost more.
-"Toronto proper": "The area known as Toronto before the amalgamation is sometimes called the "old" City of Toronto, "Toronto proper", the Central District or simply "Downtown" (Wikipedia).

The students in his classes are presumably able to understand statistical data and look up terms in Wikipedia, and the ones whose hands shoot up to try to catch him out on trivialities because they can't keep up in general probably shouldn't be there.