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 the sample is not representative of everyone in the library	B.	biased, because a library loans out primarily books
		C.	unbiased, because the location is not important	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.	biased, convenience	B.	biased, voluntary
		C.	unbiased, random stratified sample	D.	unbiased, random sample
		Hint
	3.	Which reflects the convenience sampling method that a language arts teacher might use to identify the most popular book read by the language arts students?
		A.	Ask students who are wearing a red shirt.	B.	Ask every third student from the 60 students sitting in a study hall.
		C.	Ask all the students in one geometry class.	D.	Ask the first 10 students who walk into the classroom.
		Hint
	4.	What kind of sampling is represented if dentists from random areas of the city are asked about their favorite toothpaste?
		A.	Convenience Sampling	B.	Systematic Sampling
		C.	Cluster Sampling	D.	Random Sampling
		Hint
	5.	To ensure healthy food, every tenth item is checked. What kind of sample is this?
		A.	Convenience Sampling	B.	Random Sampling
		C.	Cluster Sampling	D.	Systematic Sampling
		Hint