1.	Find the lower quartile for the quiz scores.
		A.	3	B.	12
		C.	17	D.	13
		Hint
	2.	What is the upper quartile for the quiz scores?
		A.	17	B.	20
		C.	13	D.	12
		Hint
	3.	Which type of display is most appropriate for showing the ages of workers and their annual income?
		A.	histogram	B.	scatter plot
		C.	line plot	D.	circle graph
		Hint
	4.	What is the third quartile of this set of test scores? 63, 72, 74, 83, 91, 92, 95
		A.	72	B.	70
		C.	93	D.	92
		Hint
	5.	When would you use a box-and-whisker plot?
		A.	When you want to know how often values in particular ranges appear.
		B.	When you want to breakdown a whole into parts or categories.
		C.	When you want to see how values fall into groups of 10 (or 100) and still be able to see the individual values.
		D.	When you want to see whether the values are mostly high, low, or in the middle.
		Hint