1.	How many measurement classes are represented on the histogram?
		A.	9	B.	14
		C.	44	D.	70
		Hint
	2.	The least number of children fall in which interval?
		A.	0-14 months	B.	30-44 months
		C.	15-29 months	D.	cannot be determined
		Hint
	3.	A histogram is a graph in which the data are organized into equal _______.
		A.	bars	B.	intervals
		C.	tallies	D.	elements
		Hint
	4.	What is the range of the stem-and-leaf plot?
		A.	71	B.	84
		C.	77	D.	67
		Hint
	5.	Find the mean of the data in the stem-and-leaf plot.
		A.	67	B.	99
		C.	77	D.	78
		Hint