Rutting and Fatigue Properties of Cellulose Fiber-Added Stone Mastic Asphalt Concrete Mixtures

Table 3

Summary statistics of developed models.

Parameter	Estimate	Std. error	t-Statistics	N	R^2	95% CI
						Lower	Upper
Power Model
α	19.956	0.155	128.75	200	0.99	19.653	20.26
β	0.69	0.001	690			0.689	0.692
Polynomial Model
α	−955.831	26.25	−36.41	200	0.91	−1007.3	−904.37
β	0.452	0.0002	2260			0.448	0.455
γ	125	2.787	44.85			119.155	130.083