Class

Interval

N

%

Highly angular

0.12 - 0.17

0

0

Angular

0.17 - 0.25

6

0.75

Sub-angular

0.25 - 0.35

35

4.36

Sub-rounded

0.35 - 0.49

139

17.33

Rounded

0.49 - 0.70

337

42.02

Well rounded

0.70 - 1.00

285

35.54