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.	The data for potato chips and the data for tortilla chips have the same mode(s).
		B.	Most of the tortilla chip brands have less than 150 calories per serving.
		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.	variance	B.	standard deviation
		C.	range	D.	mode
		Hint
	3.	What appears to happen in the graph?
		A.	Sales have dropped.	B.	Sales have slightly increased.
		C.	Sales have cut in half each month.	D.	Sales have doubled each month.
		Hint
	4.	How could the graph be changed so it is not misleading?
		A.	Change the graph from vertical to horizontal.	B.	Color should be added.
		C.	Change the vertical scale so that the maximum value is 100.	D.	Diameters of the cans should be the same.
		Hint
	5.	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.	Change the color.	D.	Make the graph start at 0 to see all of the bars.
		Hint