(1)

(2)

(3)

(4)

(5)

(6)

Category (j)

f_j

N_j

Ci_j

Di_j

1

0.0

1

-

-

-

2

0.1

2

0.0

0.02

-

3

0.2

1

0.0

0.04

-

4

0.3

6

0.33

0.054

0.05

5

0.4

-

-

-

-

6

0.5

-

-

-

-

7

0.6

-

-

-

-

8

0.7

7

0.71

0.0007

0.0225

9

0.8

6

0.83

0.054

0.0729

10

0.9

2

1

0.02

0.1936

11

1.0

-

.

0.0

.

Mean

0.03145

0.13052

Exponent

where (7) = d = 0.56