1.	The median is the _________ of a set of numbers.
		A.	middle number	B.	average
		C.	most frequent	D.	highest number
		Hint
	2.	What is implied when it is said that x and y have a negative correlation?
		A.	When the value of x is negative, the value of y negative.
		B.	When the value of x increases, the value of y does not necessarily increase or decrease.
		C.	When the value of x increases, the value of y decreases.
		D.	When the value of x increases, the value of y increases.
		Hint
	3.	Which relationship would most likely have a negative correlation?
		A.	A person's height and the person's shoe size.
		B.	A person's age, and the address of the person.
		C.	The number of pizzas ordered, and the total price of the bill.
		D.	The number of miles driven, and the number of gallons of gas in the car.
		Hint
	4.	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.	unbiased, because the location is not important	B.	biased, because a library loans out primarily books
		C.	biased, because the sample is not representative of everyone in the library	D.	unbiased, because they are using a systematic random sample
		Hint
	5.	Find .
		A.	impossible
		B.
		C.
		D.
		Hint
	6.	Find A – C.
		A.		B.
		C.		D.	impossible
		Hint
	7.	A histogram is a graph in which the data are organized into equal _______.
		A.	bars	B.	elements
		C.	tallies	D.	intervals
		Hint
	8.	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
	9.	Find the mode of {2, 4, 14, 2, 12, 10, 4, 14, 2}.
		A.	4	B.	14
		C.	No mode	D.	2
		Hint
	10.	Find the mean of the data in the stem-and-leaf plot.
		A.	99	B.	67
		C.	78	D.	77
		Hint
	11.	What is the mode of the number of rainy days each month?
		A.	8	B.	5
		C.	7	D.	6
		Hint
	12.	Which relationship will most likely have a no correlation?
		A.	Rising temperatures and ski equipment sales.
		B.	Increasing snow inches, and sled 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
	13.	Using the box-and-whisker plot, what is the median of Exam B?
		A.	83	B.	90
		C.	60	D.	75
		Hint
	14.	Using the box-and-whisker plot, what is the first quartile of Exam B?
		A.	83	B.	75
		C.	63	D.	72
		Hint
	15.	How could the graph be changed so it is not misleading?
		A.	Change the vertical scale so that the maximum value is 100.	B.	Color should be added.
		C.	Change the graph from vertical to horizontal.	D.	Diameters of the cans should be the same.
		Hint
	16.	How could the graph be changed so it is not misleading?
		A.	Write out the entire names of the months.	B.	Change the graph from vertical to horizontal.
		C.	Make the graph start at 0 to see all of the bars.	D.	Change the color.
		Hint