Evaluation and Analysis of Variance of Storage Stability of Asphalt Binder Modified by Nanotitanium Dioxide

Table 8

ANOVA: single factor between the groups of different storage time on rutting factor.

Source of variation			Sum of squares	Degree of freedom	Mean square		Significance
Between groups	(Combined)		3659.750	5	731.950	14.236	0.003
	Linear term	Contrast	3177.779	1	3177.779	61.804	0
		Deviation	481.971	4	120.493	2.343	0.168
Within groups			308.500	6	51.417
Total			3968.250	11