1.	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.	97
		C.	100	D.	93
		Hint
	2.	The median is the _________ of a set of numbers.
		A.	most frequent	B.	average
		C.	highest number	D.	middle number
		Hint
	3.	Which scatter plot shows that x and y have no correlation?
		A.		B.
		C.		D.
		Hint
	4.	Make a flowchart for the expression..
		A.
		B.
		C.
		D.
		Hint
	5.	What are the dimensions of the matrix?
		A.	6	B.	3 × 2
		C.	2 × 3	D.	4 × 2
		Hint
	6.	Find .
		A.
		B.
		C.
		D.
		Hint
	7.	Which of the following frequencies occurs most often?
		A.	12	B.	10
		C.	8	D.	14
		Hint
	8.	How many children attend this child care facility?
		A.	6	B.	70
		C.	100	D.	14
		Hint
	9.	Find the median of the data.
		A.	19.5	B.	29.5
		C.	42.5	D.	23
		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.	mean
		C.	median	D.	standard deviation
		Hint
	11.	Which measure of variation does not depend on the mean?
		A.	range	B.	variance
		C.	standard deviation	D.	mode
		Hint
	12.	In a factory, every fifth product out of 100 is quality tested. What kind of sampling is represented?
		A.	Convenience Sampling	B.	Cluster Sampling
		C.	Random Sampling	D.	Systematic Sampling
		Hint
	13.	What kind of sampling is represented if dentists from random areas of the city are asked about their favorite toothpaste?
		A.	Systematic Sampling	B.	Convenience Sampling
		C.	Random Sampling	D.	Cluster Sampling
		Hint
	14.	What is the mode of the number of rainy days each month?
		A.	6	B.	8
		C.	5	D.	7
		Hint
	15.	Which relationship will most likely have a positive correlation?
		A.	Rising temperatures and ski equipment sales.
		B.	A person's height and a person's eye color.
		C.	Increasing snow inches, and sled sales.
		D.	Battery power of a flashlight, and continued use of the flashlight.
		Hint
	16.	Which relationship will most likely have a negative correlation?
		A.	The number of movie tickets sold and the amount of popcorn sold.
		B.	Increasing snow inches, and sled sales.
		C.	Battery power of a flashlight, and continued use of the flashlight.
		D.	A person's height and a person's eye color.
		Hint
	17.	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
	18.	What is the third quartile of {2, 5, 13, 21, 29}?
		A.	27	B.	20
		C.	25	D.	18
		Hint
	19.	Find the median of the data.
		A.	29.5	B.	61
		C.	30	D.	25
		Hint
	20.	How could the graph be changed so it is not misleading?
		A.	Diameters of the cans should be the same.	B.	Change the graph from vertical to horizontal.
		C.	Change the vertical scale so that the maximum value is 100.	D.	Color should be added.
		Hint