Table 6 ANOVA findings.

From: Combined effect of jute fiber and corn cob ash on sustainability assessment and mechanical properties of roller compacted concrete using RSM modelling

Response

Source

Sum of Squares

Df

Mean Square

F-Value

p-value > F

Significance

 

Model

418.34

5

83.67

226.90

< 0.0001

Yes

 

A-CCA

115.93

1

115.93

314.40

< 0.0001

Yes

 

B-JF

95.99

1

95.99

260.33

< 0.0001

Yes

 

AB

5.421E-003

1

5.421E-003

0.015

0.9059

No

Compressive strength

A2

129.61

1

129.61

351.49

< 0.0001

Yes

 

B2

76.96

1

76.96

208.71

< 0.0001

Yes

 

Residual

3.69

10

0.37

   
 

Lack of Fit

3.69

5

0.74

   
 

Pure Error

0.000

5

0.000

   
 

Cor Total

422.03

15

    
 

Model

1.61

5

0.32

64.53

< 0.0001

Yes

 

A-CCA

0.49

1

0.49

97.89

< 0.0001

Yes

 

B-JF

0.24

1

0.24

49.17

< 0.0001

Yes

 

AB

3.302E-005

1

3.302E-005

6.633E-003

0.9367

No

 

A2

0.62

1

0.62

123.83

< 0.0001

Yes

Splitting Tensile Strength

B2

0.28

1

0.28

55.74

< 0.0001

Yes

 

Residual

0.050

10

4.978E-003

   
 

Lack of Fit

0.050

5

9.956E-003

   
 

Pure Error

0.000

5

0.000

   
 

Cor Total

1.66

15

    
 

Model

8.44

5

1.69

226.90

< 0.0001

Yes

 

A-CCA

2.34

1

2.34

314.40

< 0.0001

Yes

 

B-JF

1.94

1

1.94

260.33

< 0.0001

Yes

 

AB

1.093E-004

1

1.093E-004

0.015

0.9059

No

Flexural Strength

A2

2.61

1

2.61

351.49

< 0.0001

Yes

 

B2

1.55

1

1.55

208.71

< 0.0001

Yes

 

Residual

0.074

10

7.435E-003

   
 

Lack of Fit

0.074

5

0.015

   
 

Pure Error

0.000

5

0.000

   
 

Cor Total

8.51

15

    
 

Model

295.18

5

59.04

226.90

< 0.0001

Yes

 

A-CCA

81.80

1

81.80

314.40

< 0.0001

Yes

 

B-JF

67.73

1

67.73

260.33

< 0.0001

Yes

 

AB

3.825E-003

1

3.825E-003

0.015

0.9059

No

Modulus of Elasticity

A2

91.45

1

91.45

351.49

< 0.0001

Yes

 

B2

54.30

1

54.30

208.71

< 0.0001

Yes

 

Residual

2.60

10

0.26

   
 

Lack of Fit

2.60

5

0.52

   
 

Pure Error

0.000

5

0.000

   
 

Cor Total

297.78

15