31 32 35 34 42 44 45 41 48 49 51 52 54 55 58 51 56 60 61 61

63 63 64 64 65 66 70 72 72 72 76 78 78 83 84 88 88 89 96 98

					Less-than		More-than
Class Interval	Class frequency	Upper class limit	Cumulative Frequency	Cumulative Percent	Lower class limit	Cumulative Frequency	Cumulative Percent
30	to under	40
40	to under	50
50	to under	60
60	to under	70
70	to under	80
80	to under	90
90	to under	100

questions:

1)	What is the Range
2)	What is the Mode
3)	What is the Median
4	Calculate the class frequency
5	Identify the Upper class limit
	For Less-Than
6	Calculate the Cumulative Frequency
7	Calculate the Cumulative Percent
8	Identify the Lowerr class limit
	For More-Than
9	Calculate the Cumulative Frequency
10	Calculate the Cumulative Percent
11	construct the less-than cumulative frequency diagram;
12	construct the more-than cumulative frequency diagram;