1.	Find the range of {5, 21, 2, 14, 13}.
		A.	14	B.	19
		C.	65	D.	13
		Hint
	2.	What percent of the data is between 62 and 90 for Exam B?
		A.	25%	B.	100%
		C.	75%	D.	50%
		Hint
	3.	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.	unbiased, because they are using a systematic random sample	B.	biased, because a library loans out primarily books
		C.	biased, because the sample is not representative of everyone in the library	D.	unbiased, because the location is not important
		Hint
	4.	A survey is done to see how many times the average American volunteers for things. Ronald asks people from all parts of the United States. What kind of sample is this?
		A.	unbiased, stratified random sample	B.	biased, convenience
		C.	unbiased, simple random sample	D.	biased, voluntary response
		Hint
	5.	What are the dimensions of the matrix?
		A.	3 × 2	B.	6
		C.	4 × 2	D.	2 × 3
		Hint
	6.	Find A – C.
		A.	impossible	B.
		C.		D.
		Hint
	7.	Which of the following frequencies occurs most often?
		A.	12	B.	14
		C.	8	D.	10
		Hint
	8.	In which measurement class does the median occur?
		A.	70°-79° F	B.	60°-69° F
		C.	80°-89° F	D.	90°-99° F
		Hint
	9.	Find the interquartile range of the data.
		A.	13	B.	61
		C.	23	D.	10
		Hint
	10.	Determine the interquartile range of the data.
		A.	9.5	B.	18
		C.	6.5	D.	3
		Hint