1.	What is the difference between the highest and the lowest values?
		A.	80	B.	84
		C.	100	D.	75
		Hint
	2.	Which of the following frequencies occurs most often?
		A.	14	B.	10
		C.	8	D.	12
		Hint
	3.	How many measurement classes are represented on the histogram?
		A.	9	B.	14
		C.	70	D.	44
		Hint
	4.	Which value occurs most often?
		A.	84	B.	77
		C.	71	D.	99
		Hint
	5.	Find the mean of the data in the stem-and-leaf plot.
		A.	99	B.	67
		C.	78	D.	77
		Hint