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Table 7 Analysis of variance of the model for starch production

From: Effects of nutritional conditions on growth and biochemical composition of Tetraselmis sp.

Source

Sum of squares

df

Mean square

F value

P value

x 1

0.021

1

0.021

29.76

<0.05

x 2

0.0006

1

0.0006

0.96

0.43

x 3

0.0027

1

0.0027

3.85

0.19

x 4

0.0006

1

0.0006

0.96

0.43

x 1 x 2

0.0240

1

0.0240

34.32

<0.05

x 1 x 3

0.0001

1

0.0001

0.14

0.74

x 1 x 4

0.0132

1

0.0132

18.89

<0.05

x 2 x 3

0.0025

1

0.0025

3.57

0.19

x 2 x 4

0.0049

1

0.0049

7.00

0.11

x 3 x 4

0.0036

1

0.0036

5.14

0.15

x 1 2

0.005

1

0.005

7.24

0.11

x 2 2

0.004

1

0.004

6.66

0.12

x 3 2

0.000004

1

0.000004

0.005

0.95

x 4 2

0.00002

1

0.00002

0.03

0.87

Lack of Fit

0.0095

10

0.00095

1.35

0.50

Pure error

0.0014

2

0.0007

  

Total

0.093

26

   
  1. R2 = 0.88