Hight

Low

Middle

Group

mean

max

mean

max

mean

max

Group1

11.50

20

9.17

16

9.67

13

Group2

17.00

17

4.00

4

10.00

20

Group3

13.33

18

12.00

12

4.50

7

Group4

11.33

16

17.00

17

13.50

20

Group5

13.20

18

11.44

17

9.00

14