N

Min

Max

Range

Mean

Var

Std

CV(%)

251-10

50

0

4

4

1.205128

1.219973

1.104524

91.65201

251-12

50

0

3

3

0.969697

0.717803

0.847233

87.3709

251-14

50

0

2

2

0.351852

0.421034

0.648872

184.4162

251-16

50

0

2

2

0.148936

0.172988

0.415918

279.2595

251-18

50

0

2

2

0.313725

0.299608

0.547364

174.4725