____________ is the political principle that assigns different functions to different levels of government.

What is the term often associated with the random variability introduced into every study as a

function of the group of subjects participating, as well as many other unforeseen factors? a) systematic error b) non-normality c) biased sampling d) chance

The highest law of the land, our U.S. Constitution, is purposely vague and general, thus leaving much to be interpreted by judges.

a. true b. false