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Table 6 Analysis of Variance (ANOVA) for the quadratic model

From: Photo-biohydrogen production potential of Rhodobacter capsulatus- PK from wheat straw

Source

SS

DF

MS

F value

Probability (P) > F

model

97366.4

9

10818.4

93.93

< 0.0001

Residual (error)

1151.80

10

115.18

  

Lack of fit

1142.97

5

228.59

129.39

 

Pure error

8.83

5

1.77

  

Total

98518.2

19

   
  1. Coefficient of determination (R2) = 0.98; adjusted R2 = 0.97; coefficient of variation (CV) = 1.77%; SS, sum of squares; DF, degree of freedom; MS, mean square.