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Table 2 Results of variance analysis

From: A potential scavenger of carbon radicals for ancient carbonized silk fabrics: Superoxide Dismutase (SOD)

Causes of deviation

Variation sum of squares

Degree of freedom

Variances of measurement (V)

F-value

The critical value of F-test

Significance

Factorial effect of A

154.88

1

154.88

7.19

10.13

insignificance

Factorial effect of B

17.2

3

5.73

0.27

9.28

insignificance

Error effect

64.63

3

21.54

   

Total

237.33

7

   Â