1.	What is the difference between the highest and the lowest values?
		A.	80	B.	100
		C.	75	D.	84
		Hint
	2.	How many measurement classes are represented on the histogram?
		A.	70	B.	44
		C.	9	D.	14
		Hint
	3.	The least number of children fall in which interval?
		A.	cannot be determined	B.	0-14 months
		C.	15-29 months	D.	30-44 months
		Hint
	4.	What is the range of the stem-and-leaf plot?
		A.	77	B.	67
		C.	84	D.	71
		Hint
	5.	Which interval has the most values?
		A.	50-60	B.	80-90
		C.	60-70	D.	70-80
		Hint