Which of the following statements are false?

		A. A variable is continuous if its set of possible values either is finite or else can be listed in an infinite sequence in which there is a first number, a second number, and so on.
		B. Continuous variables arise from making measurements.
		C. The frequency of any particular observation of a discrete variable x is the number of times that value occurs in the data set.
		D. In theory, the relative frequencies should sum to 1.0, but in practice, the sum may differ slightly from 1.0 due to rounding.
		E. None of the above.