1.	Every fifth person that comes out of a library is asked whether they prefer to read a book or watch a movie. Is this biased or unbiased and why?
		A.	biased, because a library loans out primarily books	B.	unbiased, because the location is not important
		C.	biased, because the sample is not representative of everyone in the library	D.	unbiased, because they are using a systematic random sample
		Hint
	2.	Steve needed to find out which classes people liked the most. Therefore, after he arrived at his math club meeting, he asked some people there. What kind of sample is this?
		A.	unbiased, random sample	B.	biased, convenience
		C.	unbiased, random stratified sample	D.	biased, voluntary
		Hint
	3.	If A = , what is 5A?
		A.
		B.
		C.
		D.
		Hint
	4.	Find A + C.
		A.		B.	impossible
		C.		D.
		Hint
	5.	A histogram is a graph in which the data are organized into equal _______.
		A.	elements	B.	tallies
		C.	intervals	D.	bars
		Hint
	6.	How many measurement classes are represented on the histogram?
		A.	6	B.	50
		C.	99	D.	10
		Hint
	7.	Find the range of the data.
		A.	61	B.	19.5
		C.	42.5	D.	23
		Hint
	8.	Find the upper quartile of the data.
		A.	19.5	B.	29.5
		C.	63	D.	42.5
		Hint
	9.	What is the greatest value of the data?
		A.	13	B.	9.5
		C.	10	D.	19
		Hint
	10.	Find the upper quartile of the data.
		A.	13	B.	9.5
		C.	19	D.	10
		Hint