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 tortilla chip brands have less than 150 calories per serving.
		B.	The data for potato chips and the data for tortilla chips have the same mode(s).
		C.	Potato chips and tortilla chips both have the same mean number of calories.
		D.	Most of the potato chip brands have less than 150 calories per serving.
		Hint
	2.	Which measure of variation does not depend on the mean?
		A.	mode	B.	range
		C.	standard deviation	D.	variance
		Hint
	3.	Why is the graph misleading?
		A.	Months are out of order.	B.	Scale should be smaller.
		C.	Scale is not at even intervals.	D.	The dimensions other than height have changed.
		Hint
	4.	How could the graph be changed so it is not misleading?
		A.	Diameters of the cans should be the same.	B.	Change the vertical scale so that the maximum value is 100.
		C.	Change the graph from vertical to horizontal.	D.	Color should be added.
		Hint
	5.	What appears to happen in the graph?
		A.	Production has doubled each month.	B.	Production dropped in half each month.
		C.	Production has decreased slightly.	D.	Production increased each month.
		Hint