Table 6 Variance analysis results of the response value X.

From: Optimizing fluidity and tensile strength of magnetically driven epoxy-cement repair materials based on response surface

Source

SS

DF

MS

F

Pr > F

Note

Model

7400.88

10

740.09

44.49

< 0.0001

**

A1

1998.38

1

1998.38

120.12

< 0.0001

**

A2

4187.04

1

4187.04

251.68

< 0.0001

**

A3

287.04

1

287.04

17.25

0.0005

**

A4

330.04

1

330.04

19.84

0.0003

**

A1A2

150.06

1

150.06

9.02

0.0073

**

A1A3

175.56

1

175.56

10.55

0.0042

**

A1A4

95.06

1

95.06

5.71

0.0273

*

A2A3

68.06

1

68.06

4.09

0.0574

 

A2A4

33.06

1

33.06

1.99

0.1748

 

A3A4

76.56

1

76.56

4.60

0.0451

*

Residual

316.09

19

16.64

   

Lack of fit

316.09

14

22.58

 

0.0691

 

Pure error

0.00

5

    

Total

7716.97

29

    
  1. SS is sum of squares, DF is degrees of freedom, MS is mean square, Pr > F is probability without significant, Pr > F ≤ 0.01 is extremely significant(**), Pr > F ≤ 0.05 is significant(*).
Back to article page