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

Table 4

Variance analysis of deformations in the deep rock (with depth of 2 m) of the roadway roof.

Factor	Sum of squared deviations	Degrees of freedom	F value	Saliency
A	0.10	3	2.89	IV
B	0.99	3	27.64	II
C	0.22	3	6.17	III
D	0.04	3	1.00	IV
E	0.35	3	9.69	II