Grade histogram file

Fri Dec 18 10:43:10 EST 1998

Total

Tukey-Plot1

1-3

4-8

9-20

21-22,24

23,25

26

Tukey-Plot2

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26