Source

Sum of

squares

df

Mean

square

F value

p-value

Prob > F

Remarks

Model

436.13

14

31.15

14.91

<0.0001

significant

A-Temperature

170.67

1

170.67

81.70

<0.0001

B-Time

28.17

1

28.17

13.48

0.0023

C-pH

73.50

1

73.50

35.19

<0.0001

D-Substrate Conc

32.67

1

32.67

15.64

0.0013

AB

4.00

1

4.00

1.91

0.1867

AC

6.25

1

6.25

2.99

0.1042

AD

12.25

1

12.25

5.86

0.0286

BC

5.684E−014

1

5.684E−014

2.721E−014

1.0000

BD

4.00

1

4.00

1.91

0.1867

CD

0.25

1

0.25

0.12

0.7342

A2

29.76

1

29.76

14.25

0.0018

B2

5.76

1

5.76

2.76

0.1175

C2

0.19

1

0.19

0.091

0.7668

D2

65.19

1

65.19

31.21

<0.0001

Residual

31.33

15

2.09

Lack of Fit

24.50

10

2.45

1.79

0.2696

Not significant

Pure Error

6.83

5

1.37

Cor Total

467.47

29