1.	Which type of display is most appropriate for showing the ages of workers and their annual income?
		A.	circle graph	B.	scatter plot
		C.	histogram	D.	line plot
		Hint
	2.	A bag contains 6 red marbles, 5 blue marbles, 5 yellow marbles, and 4 green marbles. What is the probability or randomly picking a marble that is blue?
		A.		B.
		C.		D.
		Hint
	3.	A cooler contains 5 cans of each flavor of soft drink: cola, lemon-lime, grape, and root beer. Find the probability of one person randomly picking a cola, then another person randomly selecting root beer.
		A.		B.
		C.		D.
		Hint
	4.	A marketing company is conducting a survey to determine America's most popular professional football team. Where would they be most likely to obtain a random sample?
		A.	at a Cleveland Browns game
		B.	by calling people from around the country on the telephone
		C.	Chicago's O'Hare Airport
		D.	in front of the White House
		Hint
	5.	Suppose you are conducting a survey to determine whether the students in your school would prefer to go to the science museum or the art museum for the school field trip. Which method would produce a random sample?
		A.	asking the winners of the school science fair
		B.	asking your 3 best friends
		C.	asking 4 students from each homeroom class
		D.	asking the members of the after-school art club
		Hint
	6.	Jack and Thomas have two chips. One is red on both sides and one is red on one side and blue on the other side. Each boy tosses a chip. Jack scores one point if both chips are the same. Thomas scores one point if the chips are different. Change the scoring so that the game is fair.
		A.	Jack scores 2 points if the chips are the same. Thomas scores 2 points if the chips are different.
		B.	Jack scores 1 point if the chips are the same. Thomas scores 3 points if the chips are different.
		C.	Jack scores 3 points if the chips are the same. Thomas scores 2 points if the chips are different.
		D.	Jack scores 2 points if the chips are the same. Thomas scores 3 point if the chips are different.
		Hint
	7.	Suppose you have a bag filled with 6 blocks numbered from 1–6. You consecutively choose three blocks, without replacement to form a three-digit number. You choose the first number and put it in either the hundreds, tens, or ones place. You choose the next number and put it in one of the remaining places, and so on. The object of the game is to create the greatest three-digit number. What is the probability of getting a higher number in the third draw (than the second draw) if a 2 is in the ones place and the second draw is a 4?
		A.		B.
		C.		D.
		Hint
	8.	What is the third quartile of this set of test scores? 63, 72, 74, 83, 91, 92, 95
		A.	70	B.	72
		C.	92	D.	93
		Hint