Table 2 Sequential model sum of squares analyzed for responses (WVP, Solubility, Tensile Strength, Elongation, Thickness and Antioxidant activity)

Mean vs Total

1

893.78

1

25582.7

Linear vs Mean

3

33.03

10.51

0.0005

3

686.39

20.63

 < 0.0001

2FI vs Linear

3

7.42

3.44

0.0488

3

47.62

1.59

0.2398

Quadratic vs 2FI

3

5.77

5.37

0.0184

3

91.64

8

0.0052

Cubic vs Quadratic

4

0.85

0.4671

0.7592

4

25.67

3.07

0.1066

Residual

6

2.73

6

12.54

Total

20

943.59

20

26446.57

Tensile Strength (MPa)

Elongation (%)

Source

df

Sum of squares

F value

Prob. F

df

Sum of squares

F value

Prob. F

Mean vs Total

1

304.2

1

27202.69

Linear vs Mean

3

19.2

9.03

0.001

3

521.83

11.28

0.0003

2FI vs Linear

3

3.89

2.27

0.1289

3

122.83

4.29

0.026

Quadratic vs 2FI

3

4.1

4.09

0.039

3

92.54

9.82

0.0025

Cubic vs Quadratic

4

0.632

0.3499

0.8356

4

16.73

1.71

0.2657

Residual

6

2.71

6

14.7

Total

20

334.74

20

27971.32

Thickness (mm)

Antioxidant activity (%)

source

df

Sum of squares

F value

Prob. F

df

Sum of squares

F value

Prob. F

Mean vs Total

1

0.5314

1

32385.15

Linear vs Mean

3

0.0176

21.36

 < 0.0001

3

3110.94

62.1

 < 0.0001

2FI vs Linear

3

0.0019

3.41

0.05

3

21.63

0.3817

0.7679

Quadratic vs 2FI

3

0

0.05

0.9844

3

205.51

17.1

0.0003

Cubic vs Quadratic

4

0.0009

0.8537

0.5405

4

8.77

0.4208

0.7892

residual

6

0.0015

6

31.28

Total

20

0.5534

20

35763.28