1.	In a college of 1000 girls, the dean wanted to choose a sample of 30 girls to represent the whole school. She wanted to determine average height. Which survey would get the best results?
		A.	Choose 30 girls on the basketball team.	B.	Choose 30 girls in the cafeteria at noon.
		C.	Choose 30 gymnasts at the school.	D.	Choose every third girl out of 100 randomly selected names.
		Hint
	2.	What percent of those surveyed chose jazz as their favorite music?
		A.	about 26%	B.	about 11%
		C.	about 36%	D.	about 28%
		Hint
	3.	Lara is running for student council president of the 8th grade class. She would like to poll how the students will vote on election day. Which sample is best for this situation?
		A.	A poll of Lara's cross-country teammates.
		B.	A random sample of 50 8th grade students.
		C.	A random sample of 50 female 8th grade students.
		D.	A random sample of 50 7th grade students.
		Hint
	4.	To determine what people think about the construction of a new school, the school board asks citizens to call a certain number and express their opinions. Describe the sample used by the school board.
		A.	The sample is unbiased because it is a simple random sample.
		B.	The sample is biased because it is a convenience sample.
		C.	The sample is biased because it is a voluntary response sample.
		D.	The sample is unbiased because it is a systematic random sample.
		Hint
	5.	To determine what students want served in the cafeteria, the cook asks students in Ms. Andrew’s first period class. Describe the sample used by the cook.
		A.	The sample is biased because it is a voluntary response sample.
		B.	The sample is biased because it is a convenience sample.
		C.	The sample is unbiased because it is voluntary response sample.
		D.	The sample is unbiased because it is a convenience sample.
		Hint