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 gymnasts at the school.
		C.	Choose 30 girls in the cafeteria at noon.	D.	Choose every third girl out of 100 randomly selected names.
		Hint
	2.	A sample should be ______.
		A.	less than ten in the general population	B.	not representative of the general population
		C.	representative of the general population	D.	half the size of the population
		Hint
	3.	Using the results of the survey, out of 9,000 customers how many should the manager expect to visit late on weekends?
		A.	6,210	B.	3,060
		C.	2,790	D.	5,940
		Hint
	4.	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 random sample of 50 female 8th grade students.
		B.	A poll of Lara's cross-country teammates.
		C.	A random sample of 50 7th grade students.
		D.	A random sample of 50 8th grade students.
		Hint
	5.	To determine who the voters will chose for governor, five voters picked at random from each county of the state are surveyed. Describe the sample.
		A.	The sample is unbiased because it is a systematic random sample.
		B.	The sample is biased because it is a convenience sample.
		C.	The sample is unbiased because it is a simple random sample.
		D.	The sample is unbiased because it is a stratified random sample.
		Hint