1.	Which type of display is most appropriate for showing the ages of workers and their annual income?
		A.	line plot	B.	scatter plot
		C.	circle graph	D.	histogram
		Hint
	2.	What is the third quartile of this set of test scores? 63, 72, 74, 83, 91, 92, 95
		A.	93	B.	70
		C.	72	D.	92
		Hint
	3.	About what percentage of the test scores below are between 55 and 95?
		ST10-001W-008550
		A.	50%	B.	60%
		C.	25%	D.	75%
		Hint
	4.	Which type of representation seems most useful for displaying temperature data?
		A.	line graph	B.	pie chart
		C.	stem-and-leaf plot	D.	box-and-whisker plot
		Hint
	5.	When would you use a box-and-whisker plot?
		A.	When you want to see how values fall into groups of 10 (or 100) and still be able to see the individual values.
		B.	When you want to see whether the values are mostly high, low, or in the middle.
		C.	When you want to breakdown a whole into parts or categories.
		D.	When you want to know how often values in particular ranges appear.
		Hint