1.	The number of calories for a serving of different brands of potato chips and tortilla chips is shown in the back-to-back stem-and-leaf plot below. Which statement is correct?
		A.	Potato chips and tortilla chips both have the same mean number of calories.
		B.	Most of the tortilla chip brands have less than 150 calories per serving.
		C.	The data for potato chips and the data for tortilla chips have the same mode(s).
		D.	Most of the potato chip brands have less than 150 calories per serving.
		Hint
	2.	What is implied when it is said that x and y have a negative correlation?
		A.	When the value of x increases, the value of y increases.
		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 is negative, the value of y negative.
		Hint
	3.	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 miles driven, and the number of gallons of gas in the car.
		C.	the number of tickets sold for a baseball game, and the number of hotdogs sold at the game.
		D.	the rate at which a train travels, and the time it takes for it to reach its destination.
		Hint
	4.	Find the equation for the flowchart.
		A.	= 1
		B.	- 9 = 1
		C.	- 9 = 1
		D.	- 1 = 9
		Hint
	5.	Which scatter plot shows that x and y have a positive correlation?
		A.		B.
		C.		D.
		Hint
	6.	Which scatter plot shows that x and y have a positive correlation?
		A.		B.
		C.		D.
		Hint
	7.	Find .
		A.
		B.
		C.
		D.	impossible
		Hint
	8.	Find A + C.
		A.	impossible	B.
		C.		D.
		Hint
	9.	The least number of children fall in which interval?
		A.	cannot be determined	B.	15-29 months
		C.	30-44 months	D.	0-14 months
		Hint
	10.	Which measure of variation does not depend on the mean?
		A.	range	B.	variance
		C.	standard deviation	D.	mode
		Hint
	11.	What kind of sampling is represented by putting 70 names in a hat and drawing 10 of the names?
		A.	Convenience Sampling	B.	Random Sampling
		C.	Cluster Sampling	D.	Systematic Sampling
		Hint
	12.	Which value occurs most often?
		A.	71	B.	99
		C.	77	D.	84
		Hint
	13.	Which interval has the most values?
		A.	80-90	B.	50-60
		C.	70-80	D.	60-70
		Hint
	14.	Find the mean of the data in the stem-and-leaf plot.
		A.	77	B.	99
		C.	78	D.	67
		Hint
	15.	Which relationship will most likely have a positive correlation?
		A.	A person's height and a person's eye color.
		B.	Battery power of a flashlight, and continued use of the flashlight.
		C.	Rising temperatures and ski equipment sales.
		D.	Increasing snow inches, and sled sales.
		Hint
	16.	What percent of data does the box in a box-and-whisker plot represent?
		A.	75%	B.	100%
		C.	50%	D.	25%
		Hint
	17.	Using the box-and-whisker plot, what is the first quartile of Exam B?
		A.	83	B.	75
		C.	72	D.	63
		Hint
	18.	Find the median of the data.
		A.	61	B.	30
		C.	29.5	D.	25
		Hint
	19.	Find the first quartile of the data.
		A.	19.5	B.	91
		C.	25	D.	29.5
		Hint
	20.	What is A + B?
		A.		B.
		C.		D.
		Hint