Source of variation

Degree of freedom

Mean square and F-values for panel properties

Mechanical properties

24 hrs horizontal water soak

Modulus of rupture

Modulus of elasticity

Water absorption

Thickness swelling

MS × 10⁴

F

MS × 10¹⁰

F

MS × 10⁴

F

MS × 10⁴

F

F_Tab

Main effects

Cement/B. vulgaris mix ratio

4

0.152

2.92^*K

1.655

15.18^**

1.304

18.11^**

0.432

3.86^**

3.44

Soak treatment

3

0.164

3.15^*a

1.499

13.29^**

1.109

15.40^**

0.310

2.77^*a

3.91

Density

1

0.148

2.85^NS

2.617

24.01^**

0.405

5.63^*

1.023

9.13^**

6.84

First order interaction

Mix ratio/density

4

0.911

17.52^**

3.835

35.18^**

1.071

14.88^**

3.084

27.54^**

3.44

Mix ratio/soak treatment

4

0.630

12.12^**

2.046

18.77^**

0.224

3.11^*K

1.816

16.21

3.44

Soak treatment/density

3

0.512

9.85^**

1.325

12.16^**

0.188

2.61^*a

0.301

2.69^*a

3.91

Second order interaction

Mix ratio/density/soak treatment

4

0.448

8.62^**

4.472

41.03^**

0.897

12.46^**

0.416

3.71^**

3.44

Error

136

0.052

-

0.109

-

0.072

-

15.232

0.112

-

Total

159

-

-

-

-

-

-

-

-

-