1.	What is the difference between the highest and the lowest values?
		A.	84	B.	80
		C.	100	D.	75
		Hint
	2.	Find the mean of {3, 8, 10, 1, 25}.
		A.	9.4	B.	1
		C.	9	D.	8
		Hint
	3.	Make a flowchart for the expression..
		A.
		B.
		C.
		D.
		Hint
	4.	Which scatter plot shows that x and y have a positive correlation?
		A.		B.
		C.		D.
		Hint
	5.	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
	6.	Find .
		A.	impossible
		B.
		C.
		D.
		Hint
	7.	Find A – C.
		A.	impossible	B.
		C.		D.
		Hint
	8.	The least number of children fall in which interval?
		A.	15-29 months	B.	0-14 months
		C.	cannot be determined	D.	30-44 months
		Hint
	9.	Find the median of the data.
		A.	29.5	B.	42.5
		C.	23	D.	19.5
		Hint
	10.	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.	mode	B.	median
		C.	mean	D.	standard deviation
		Hint
	11.	What kind of sampling is represented if dentists from random areas of the city are asked about their favorite toothpaste?
		A.	Cluster Sampling	B.	Systematic Sampling
		C.	Random Sampling	D.	Convenience Sampling
		Hint
	12.	Which relationship will most likely have a no correlation?
		A.	Increasing snow inches, and sled sales.
		B.	Battery power of a flashlight, and continued use of the flashlight.
		C.	A person's height and a person's eye color.
		D.	Rising temperatures and ski equipment sales.
		Hint
	13.	Which relationship will most likely have a positive correlation?
		A.	Battery power of a flashlight, and continued use of the flashlight.
		B.	Rising temperatures and ski equipment sales.
		C.	The number of movie tickets sold and the amount of popcorn sold.
		D.	A person's height and a person's eye color.
		Hint
	14.	Using the box-and-whisker plot, what is the median of Exam B?
		A.	75	B.	83
		C.	60	D.	90
		Hint
	15.	Find the median of the data.
		A.	61	B.	25
		C.	30	D.	29.5
		Hint
	16.	What appears to happen in the graph?
		A.	Sales have dropped.	B.	Sales have slightly increased.
		C.	Sales have cut in half each month.	D.	Sales have doubled each month.
		Hint