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.	Most of the potato chip brands have less than 150 calories per serving.
		B.	Potato chips and tortilla chips both have the same mean number of calories.
		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.	Which relationship would most likely have a positive correlation?
		A.	the rate at which a train travels, and the time it takes for it to reach its destination.
		B.	the number of tickets sold for a baseball game, and the number of hotdogs sold at the game.
		C.	the amount of memory in computer, and the number of keys on the keyboard.
		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.	Find the equation for the flowchart.
		A.	- 1 = 9
		B.	- 9 = 1
		C.	= 1
		D.	- 9 = 1
		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.	Which of the following would not be a sample from a population set of all of the farms in Nebraska?
		A.	The farms are split into groups based on what they produce, and then 4 are selected from each group.
		B.	12 farms are selected from any part of the state.
		C.	25 houses with pets are selected from any part of the state.
		D.	One farm is selected in each 20 square mile area of the state
		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.	biased, voluntary	B.	unbiased, random stratified sample
		C.	biased, convenience	D.	unbiased, random sample
		Hint
	9.	Find .
		A.		B.
		C.		D.
		Hint
	10.	Find .
		A.
		B.	impossible
		C.
		D.
		Hint
	11.	How many measurement classes are represented on the histogram?
		A.	44	B.	9
		C.	14	D.	70
		Hint
	12.	Find the range of the data.
		A.	23	B.	61
		C.	19.5	D.	42.5
		Hint
	13.	What kind of sampling is represented if dentists from random areas of the city are asked about their favorite toothpaste?
		A.	Convenience Sampling	B.	Systematic Sampling
		C.	Random Sampling	D.	Cluster Sampling
		Hint
	14.	Which interval has the most values?
		A.	60-70	B.	50-60
		C.	80-90	D.	70-80
		Hint
	15.	What is the mode of the number of rainy days each month?
		A.	5	B.	8
		C.	6	D.	7
		Hint
	16.	What percent of data does the box in a box-and-whisker plot represent?
		A.	75%	B.	25%
		C.	100%	D.	50%
		Hint
	17.	Using the box-and-whisker plot, what is the third quartile of Exam B?
		A.	88	B.	95
		C.	50	D.	90
		Hint
	18.	Why is the graph misleading?
		A.	The dimensions other than height have changed.	B.	Months are out of order.
		C.	Scale should be smaller.	D.	Scale is not at even intervals.
		Hint
	19.	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
	20.	How could the graph be changed so it is not misleading?
		A.	Change the color.	B.	Change the graph from vertical to horizontal.
		C.	Write out the entire names of the months.	D.	Make the graph start at 0 to see all of the bars.
		Hint