Experimental Investigation of the Influence of Cellulose Ether on the Floating of Rubber Particles in Mortar

Table 9

Variance analysis of consistency of mortar.

Source of variation	Sum of squares	Degree of freedom	Mean square	Partial correlation	F value	value
X1	3865.527	1	3865.527	−0.9793	233.9027	0.0001
X2	129.7113	1	129.7113	−0.6631	7.8488	0.0187
	45.125	1	45.125	0.4631	2.7305	0.1295
	15.125	1	15.125	−0.2896	0.9152	0.3613
X1X2	0.25	1	0.25	0.0389	0.0151	0.9045
Regression	4055.738	5	811.1476	F2 = 49.08247		0.0002
Residue	165.2622	10	16.5262
Lack of fit	89.7622	3	29.9207	F1 = 2.77411		0.0966
Error	75.5	7	10.7857
Sum	4221	15