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 gymnasts at the school.	B.	Choose 30 girls in the cafeteria at noon.
		C.	Choose 30 girls on the basketball team.	D.	Choose every third girl out of 100 randomly selected names.
		Hint
	2.	Roberto wants to take a survey on favorite foods. Which sample would give the most appropriate results?
		A.	A poll of 30 customers at a fast food restaurant.
		B.	A poll of 30 customers at a steak house.
		C.	A poll of 30 customers at a pizza restaurant.
		D.	A random telephone poll of 30 people.
		Hint
	3.	The week before an election, a telephone poll was conducted to see how registered voters would vote for Issue 1. The table shows the results of the five-day poll. What percent of registered voters said they would vote yes on Issue 1?
		A.	58.05%	B.	67%
		C.	41.95%	D.	76%
		Hint
	4.	The eighth grade class of 225 students is planning an ice cream social. If the director of the ice cream social knows that 7 out of 10 students prefer vanilla, how many students should be expected to eat vanilla ice cream?
		A.	about 113	B.	about 158
		C.	about 169	D.	about 68
		Hint
	5.	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 voluntary response sample.
		C.	The sample is unbiased because it is a systematic random sample.
		D.	The sample is biased because it is a convenience sample.
		Hint