Source

Sum of square

df

Mean square

F value

P-value

Prob > F

significance

Model

0.22

9

0.24

52.47

<0.0001

A-temperature

0.053

1

0.053

112.94

<0.0001

B-pressure

0.019

1

0.019

40.37

0.0004

C-time

1.901E−004

1

1.901E−004

0.41

0.0434

AB

3.481E−003

1

3.481E−003

7.47

0.0292

AC

2.500E−007

1

2.500E−007

5.363E−004

0.9822

BC

4.225E−003

1

4.225E−003

9.06

0.0196

A2

0.082

1

0.082

175.45

<0.0001

B2

0.036

1

0.036

76.65

<0.0001

C2

0.011

1

0.011

23.38

0.0019

Residual

3.263E−003

7

3.263E−003

Lack of fit

3.263E−003

3

3.263E−003

Pure error

0.000

4

0.000

Cor total

0.22

16