1.	What is the difference between the highest and the lowest values?
		A.	80	B.	100
		C.	84	D.	75
		Hint
	2.	You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam for a mean of 80?
		A.	80	B.	100
		C.	97	D.	93
		Hint
	3.	Find the range of {5, 21, 2, 14, 13}.
		A.	65	B.	13
		C.	14	D.	19
		Hint
	4.	Use the flowchart to backtrack and find the solution.
		A.	9	B.	7
		C.	8	D.	18
		Hint
	5.	Which relationship would most likely have a negative correlation?
		A.	The number of pizzas ordered, and the total price of the bill.
		B.	A person's age, and the address of the person.
		C.	The number of miles driven, and the number of gallons of gas in the car.
		D.	A person's height and the person's shoe size.
		Hint
	6.	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.	unbiased, because they are using a systematic random sample
		C.	biased, because a library loans out primarily books	D.	unbiased, because the location is not important
		Hint
	7.	Find .
		A.
		B.
		C.
		D.	impossible
		Hint
	8.	Find .
		A.
		B.
		C.
		D.
		Hint
	9.	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 the first 10 students who walk into the classroom.	B.	Ask students who are wearing a red shirt.
		C.	Ask every third student from the 60 students sitting in a study hall.	D.	Ask all the students in one geometry class.
		Hint
	10.	Find the mean of the data in the stem-and-leaf plot.
		A.	78	B.	99
		C.	67	D.	77
		Hint
	11.	What is the mode of the number of above-temperature days each month?
		A.	6	B.	8
		C.	2	D.	5
		Hint
	12.	Which relationship will most likely have a no correlation?
		A.	A person's height and a person's eye color.
		B.	Increasing snow inches, and sled sales.
		C.	Battery power of a flashlight, and continued use of the flashlight.
		D.	Rising temperatures and ski equipment sales.
		Hint
	13.	Using the box-and-whisker plot, what is the first quartile of Exam B?
		A.	72	B.	75
		C.	83	D.	63
		Hint
	14.	What is the third quartile of {2, 5, 13, 21, 29}?
		A.	27	B.	18
		C.	25	D.	20
		Hint
	15.	What appears to happen in the graph?
		A.	Sales have dropped.	B.	Sales have cut in half each month.
		C.	Sales have doubled each month.	D.	Sales have slightly increased.
		Hint
	16.	What appears to happen in the graph?
		A.	Production increased each month.	B.	Production has decreased slightly.
		C.	Production has doubled each month.	D.	Production dropped in half each month.
		Hint