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Table 9 ANOVA for the central composite design (R2 = 0.9293; Adj R2 = 0.8656)

From: Enhancing docosahexaenoic acid production of Schizochytrium sp. by optimizing fermentation using central composite design

Source

Sum of squares

Degree of freedom

Mean square

F-value

P-value

Residual

2.76

10

0.2756

  

Lack of fit

1.8

5

0.36

1.88

0.2521

Pure error

0.956

5

0.1912

  

Cor total

38.95

19

   
  1. The lack-of-fit test is not significant at P > 0.05, which demonstrated that the quadratic formula was the ideal model for data regression analysis
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BMC Biotechnology

ISSN: 1472-6750

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