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

Table 6

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

Source of variation			Sum of squares	Degree of freedom	Mean square		Significance
Between groups	(Combined)		80.616	4	20.154	12.596	0.008
	Linear term	Contrast	75.272	1	75.272	47.045	0.001
		Deviation	5.344	3	1.781	1.113	0.426
Within groups			8.000	5	1.600
Total			88.616	9