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Table 2 Analysis of variance of antifungal activity

From: Application of response surface methodology for optimization of medium components for the production of secondary metabolites by Streptomyces diastatochromogenes KX852460

Source

DF

Adj SS

Adj MS

F-value

P value

Model

15

2406.84

160.456

39.21

0.000

Linear

5

296.63

59.327

14.50

0.000

X1

1

26.38

26.376

6.45

0.022

X2

1

6.66

6.657

1.63

0.220

X3

1

182.05

182.050

44.49

0.000

X4

1

65.80

65.803

16.08

0.001

X5

1

15.75

15.746

3.85

0.067

Square

5

1607.94

321.588

78.59

0.000

X 21 X1

1

296.93

296.927

72.56

0.000

X 22 X1

1

254.25

254.252

62.13

0.000

X 23 X3

1

598.06

598.057

146.15

0.000

X 24 X4

1

707.99

707.990

173.02

0.000

X 25 X5

1

237.27

237.273

57.99

0.000

2-way interaction

5

502.27

100.453

24.55

0.000

X 21 X2

1

28.52

28.516

6.97

0.018

X 21 X5

1

95.26

95.258

23.28

0.000

X 22 X4

1

71.23

71.234

17.41

0.001

X 22 X5

1

92.93

92.930

22.71

000.0

X 24 X5

1

214.33

214.330

52.38

0.000

Error

16

65.47

4.092

  

Lack-of-fit

11

51.24

4.658

1.64

0.306

Pure error

5

14.23

2.846

  

Total

31

2472.31