1.	Find the mean of {3, 8, 10, 1, 25}.
		A.	1	B.	8
		C.	9	D.	9.4
		Hint
	2.	Which relationship would most likely have a positive correlation?
		A.	the amount of memory in computer, and the number of keys on the keyboard.
		B.	the number of tickets sold for a baseball game, and the number of hotdogs sold at the game.
		C.	the rate at which a train travels, and the time it takes for it to reach its destination.
		D.	the number of miles driven, and the number of gallons of gas in the car.
		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.	Find the equation for the flowchart.
		A.	- 9 = 1
		B.	- 9 = 1
		C.	= 1
		D.	- 1 = 9
		Hint
	6.	Which scatter plot shows that x and y have a negative correlation?
		A.		B.
		C.		D.
		Hint
	7.	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 the location is not important
		C.	biased, because a library loans out primarily books	D.	unbiased, because they are using a systematic random sample
		Hint
	8.	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.	unbiased, random sample	B.	biased, convenience
		C.	unbiased, random stratified sample	D.	biased, voluntary
		Hint
	9.	Find A + C.
		A.	impossible	B.
		C.		D.
		Hint
	10.	Find B – A.
		A.		B.
		C.		D.	impossible
		Hint
	11.	Which relationship will most likely have a positive correlation?
		A.	A person's height and a person's eye color.
		B.	Rising temperatures and ski equipment sales.
		C.	Battery power of a flashlight, and continued use of the flashlight.
		D.	Increasing snow inches, and sled sales.
		Hint
	12.	Which relationship will most likely have a no correlation?
		A.	A person's height and a person's eye color.
		B.	Rising temperatures and ski equipment sales.
		C.	Battery power of a flashlight, and continued use of the flashlight.
		D.	Increasing snow inches, and sled sales.
		Hint
	13.	Which relationship will most likely have a positive correlation?
		A.	A person's height and a person's eye color.
		B.	Rising temperatures and ski equipment sales.
		C.	The number of movie tickets sold and the amount of popcorn sold.
		D.	Battery power of a flashlight, and continued use of the flashlight.
		Hint
	14.	Which relationship will most likely have a no correlation?
		A.	Battery power of a flashlight, and continued use of the flashlight.
		B.	Rising temperatures and ski equipment sales.
		C.	Increasing snow inches, and sled sales.
		D.	The number of hours of sleep a person gets per night and the person's shoe size.
		Hint
	15.	Using the box-and-whisker plot, what is the third quartile of Exam B?
		A.	90	B.	88
		C.	95	D.	50
		Hint
	16.	Using the box-and-whisker plot, what is the first quartile of Exam B?
		A.	72	B.	83
		C.	63	D.	75
		Hint
	17.	What appears to happen in the graph?
		A.	Sales have dropped.	B.	Sales have doubled each month.
		C.	Sales have cut in half each month.	D.	Sales have slightly increased.
		Hint
	18.	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.	Color should be added.	D.	Change the vertical scale so that the maximum value is 100.
		Hint
	19.	What is B – C?
		A.		B.
		C.		D.
		Hint
	20.	What is B + C?
		A.		B.
		C.		D.
		Hint