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Table 4 Analysis of variances for lipid content

From: Phosphate removal combined with acetate supplementation enhances lipid production from water hyacinth by Cutaneotrichosporon oleaginosum

Source

Sum of squares

df

Mean square

F value

P value

Prob > F

Model

868.12

5

173.62

348.02

< 0.0001

 A-KH2PO4

717.23

1

717.23

1437.66

< 0.0001

 B-HAc

58.91

1

58.91

118.08

< 0.0001

 AB

5.76

1

5.76

11.55

0.0115

 A2

79.72

1

79.72

159.79

< 0.0001

 B2

1.09

1

1.09

2.18

0.1833

Residual

3.49

7

0.50

  

 Lack of fit

2.60

3

0.87

3.89

0.1114

 Pure error

0.89

4

0.22

  

Corrected total

871.61

12

   

R 2

0.9960

    

Adjusted R2

0.9931

    

Predicted R2

0.9749

    

Adequate precision

58.6297