1.	What is the difference between the highest and the lowest values?
		A.	75	B.	84
		C.	80	D.	100
		Hint
	2.	Find the median of {55, 21, 47.4, 69, 71}.
		A.	71	B.	21
		C.	47.4	D.	55
		Hint
	3.	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.	97	B.	100
		C.	93	D.	80
		Hint
	4.	The median is the _________ of a set of numbers.
		A.	most frequent	B.	middle number
		C.	average	D.	highest number
		Hint
	5.	Which scatter plot shows that x and y have no correlation?
		A.		B.
		C.		D.
		Hint
	6.	Use the flowchart to backtrack and find the solution.
		A.	18	B.	9
		C.	8	D.	7
		Hint
	7.	Which scatter plot shows that x and y have a negative correlation?
		A.		B.
		C.		D.
		Hint
	8.	What are the dimensions of the matrix?
		A.	2 × 3	B.	4 × 2
		C.	3 × 2	D.	6
		Hint
	9.	Which measure of variation does not depend on the mean?
		A.	range	B.	mode
		C.	variance	D.	standard deviation
		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.	Cluster Sampling	B.	Convenience Sampling
		C.	Random Sampling	D.	Systematic Sampling
		Hint
	11.	In a factory, every fifth product out of 100 is quality tested. What kind of sampling is represented?
		A.	Convenience Sampling	B.	Random Sampling
		C.	Cluster Sampling	D.	Systematic Sampling
		Hint
	12.	To ensure healthy food, every tenth item is checked. What kind of sample is this?
		A.	Systematic Sampling	B.	Random Sampling
		C.	Cluster Sampling	D.	Convenience Sampling
		Hint
	13.	Find the mode of {2, 4, 14, 2, 12, 10, 4, 14, 2}.
		A.	4	B.	No mode
		C.	2	D.	14
		Hint
	14.	What is the range of the stem-and-leaf plot?
		A.	67	B.	84
		C.	77	D.	71
		Hint
	15.	Which relationship will most likely have a no correlation?
		A.	Increasing snow inches, and sled sales.
		B.	Rising temperatures and ski equipment sales.
		C.	The number of hours of sleep a person gets per night and the person's shoe size.
		D.	Battery power of a flashlight, and continued use of the flashlight.
		Hint
	16.	Using the box-and-whisker plot, what is the median of Exam B?
		A.	60	B.	90
		C.	83	D.	75
		Hint
	17.	Using the box-and-whisker plot, what is the first quartile of Exam B?
		A.	72	B.	75
		C.	83	D.	63
		Hint
	18.	What is the third quartile of {2, 5, 13, 21, 29}?
		A.	18	B.	27
		C.	20	D.	25
		Hint
	19.	Find the median of the data.
		A.	29.5	B.	61
		C.	30	D.	25
		Hint
	20.	What is B – C?
		A.		B.
		C.		D.
		Hint