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

Table 7

ANOVA: single factor between the groups of different particle contents on rutting factor.

Source of variation			Sum of squares	Degree of freedom	Mean square		Significance
Between groups	(Combined)		657.600	4	164.400	20.296	0.003
	Linear term	Contrast	520.200	1	520.200	64.222	0
		Deviation	137.400	3	45.800	5.654	0.046
Within groups			40.500	5	8.100
Total			698.100	9