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Table 5 Analysis of variance (ANOVA) of the quadratic model

From: Improvement of antibiotic activity of Xenorhabdus bovienii by medium optimization using response surface methodology

Source of variations

DF

SS

MS

F-value

P >F

Model

7

10216.7500

1459.53600

21.525010

0.000007**

Residual

12

813.6782

67.80652

  

Lack of fit

7

440.5649

62.93784

0.843414

0.596740

Pure error

5

373.1133

74.62267

  

Total

19

11030.4282

   
  1. R = Coefficient of correlation = 0.962410; R2 = Coefficient of determination = 0.926233; adjusted R2 = 0.883203.
  2. ** Significant at 1% level.
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Microbial Cell Factories

ISSN: 1475-2859

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