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Table 5 Analysis of variance of the model for total chlorophylls 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

6.45

1

6.45

1233.12

<0.05

x 2

9.77

1

9.77

1866.88

<0.05

x 3

0.13

1

0.13

26.49

<0.05

x 4

8.45

1

8.45

1614.72

<0.05

x 1 x 2

0.18

1

0.18

35.33

<0.05

x 1 x 3

0.01

1

0.01

2.10

0.28

x 1 x 4

0.20

1

0.20

39.55

<0.05

x 2 x 3

0.04

1

0.04

8.42

0.10

x 2 x 4

0.001

1

0.001

0.30

0.63

x 3 x 4

0.39

1

0.39

75.84

<0.05

x 1 2

0.54

1

0.54

103.81

<0.05

x 2 2

1.06

1

1.06

203.32

<0.05

x 3 2

1.93

1

1.93

370.45

<0.05

x 4 2

1.32

1

1.32

252.65

<0.05

Lack of fit

0.63

10

0.06

12.04

0.07

Pure error

0.01

2

0.005

  

Total

35.89

26

   
  1. R2 = 0 .98