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 potato chip brands have less than 150 calories per serving.
		C.	Most of the tortilla chip brands have less than 150 calories per serving.
		D.	The data for potato chips and the data for tortilla chips have the same mode(s).
		Hint
	2.	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.	93	D.	100
		Hint
	3.	Find the range of {5, 21, 2, 14, 13}.
		A.	13	B.	14
		C.	65	D.	19
		Hint
	4.	A line of best-fit should not be drawn for which of the following graphs.
		A.		B.
		C.		D.
		Hint
	5.	Find A – C.
		A.	impossible	B.
		C.		D.
		Hint
	6.	Which of the following frequencies occurs most often?
		A.	10	B.	14
		C.	8	D.	12
		Hint
	7.	What kind of sampling is represented if dentists from random areas of the city are asked about their favorite toothpaste?
		A.	Cluster Sampling	B.	Convenience Sampling
		C.	Systematic Sampling	D.	Random Sampling
		Hint
	8.	To ensure healthy food, every tenth item is checked. What kind of sample is this?
		A.	Random Sampling	B.	Cluster Sampling
		C.	Convenience Sampling	D.	Systematic Sampling
		Hint
	9.	What is the range of the stem-and-leaf plot?
		A.	67	B.	77
		C.	71	D.	84
		Hint
	10.	During the month that had three days of rain, how many had above-average temperatures?
		A.	2	B.	3
		C.	8	D.	5
		Hint
	11.	Which relationship will most likely have a negative correlation?
		A.	Battery power of a flashlight, and continued use of the flashlight.
		B.	The number of movie tickets sold and the amount of popcorn sold.
		C.	Increasing snow inches, and sled sales.
		D.	A person's height and a person's eye color.
		Hint
	12.	Which relationship will most likely have a no correlation?
		A.	Increasing snow inches, and sled sales.
		B.	A person's height and a person's eye color.
		C.	Rising temperatures and ski equipment sales.
		D.	Battery power of a flashlight, and continued use of the flashlight.
		Hint
	13.	What is the third quartile of {2, 5, 13, 21, 29}?
		A.	25	B.	18
		C.	20	D.	27
		Hint
	14.	Find the first quartile of the data.
		A.	25	B.	19.5
		C.	91	D.	29.5
		Hint
	15.	How could the graph be changed so it is not misleading?
		A.	Make the graph start at 0 to see all of the bars.	B.	Change the color.
		C.	Write out the entire names of the months.	D.	Change the graph from vertical to horizontal.
		Hint
	16.	What is A + B?
		A.		B.
		C.		D.
		Hint