1.	What is the difference between the highest and the lowest values?
		A.	84	B.	100
		C.	75	D.	80
		Hint
	2.	Find the mean of {3, 8, 10, 1, 25}.
		A.	9.4	B.	9
		C.	1	D.	8
		Hint
	3.	Use the flowchart to backtrack and find the solution.
		A.	8	B.	18
		C.	7	D.	9
		Hint
	4.	Which relationship would most likely have a negative correlation?
		A.	A person's height and the person's shoe size.
		B.	The number of pizzas ordered, and the total price of the bill.
		C.	The number of miles driven, and the number of gallons of gas in the car.
		D.	A person's age, and the address of the person.
		Hint
	5.	Which relationship would most likely have no correlation?
		A.	A person's height and the person's shoe size.
		B.	The number of pizzas ordered, and the total price of the bill.
		C.	A person's age, and the address of the person.
		D.	The number of miles driven, and the number of gallons of gas in the car.
		Hint
	6.	Steve needed to find out which classes people liked the most. Therefore, after he arrived at his math club meeting, he asked some people there. What kind of sample is this?
		A.	biased, voluntary	B.	biased, convenience
		C.	unbiased, random stratified sample	D.	unbiased, random sample
		Hint
	7.	Find .
		A.
		B.
		C.
		D.
		Hint
	8.	Find B – A.
		A.		B.	impossible
		C.		D.
		Hint
	9.	Baseball players are trying to show that they deserve more money. Their owner is paying 10 of them $1 million, 8 of them $2 million, and 3 of them $15 million. To support their case, which measure of central tendency should they use?
		A.	median	B.	standard deviation
		C.	mode	D.	mean
		Hint
	10.	Everyone at the stadium is eligible for a drawing at the end of the night. If everyone was given a number, and 10 winners are announced, what kind of sampling is represented?
		A.	Systematic Sampling	B.	Convenience Sampling
		C.	Random Sampling	D.	Cluster Sampling
		Hint
	11.	Find the mode of {2, 4, 14, 2, 12, 10, 4, 14, 2}.
		A.	2	B.	14
		C.	4	D.	No mode
		Hint
	12.	Find the mean of the data in the stem-and-leaf plot.
		A.	99	B.	67
		C.	77	D.	78
		Hint
	13.	During the month that had three days of rain, how many had above-average temperatures?
		A.	2	B.	3
		C.	5	D.	8
		Hint
	14.	Using the box-and-whisker plot, what is the third quartile of Exam B?
		A.	95	B.	50
		C.	90	D.	88
		Hint
	15.	Using the box-and-whisker plot, what is the least value of the data for exam A?
		A.	45	B.	50
		C.	65	D.	83
		Hint
	16.	What appears to happen in the graph?
		A.	Sales have cut in half each month.	B.	Sales have slightly increased.
		C.	Sales have dropped.	D.	Sales have doubled each month.
		Hint