Sensitivity Analysis and Experimental Verification of Bolt Support Parameters Based on Orthogonal Experiment

Table 3

Variance analysis of convergences of surrounding rock surface of the roadway roof.

Factor	Sum of squared deviations	Degrees of freedom	F value	Saliency
A	1.69	3	16.22	II
B	5.27	3	50.70	I
C	0.15	3	1.45	IV
D	0.10	3	1.00	IV
E	1.61	3	15.52	II