Service Risk Evaluation of the General Contract for Coal Mine Production and Operation: Case Study at Shendong Jinjie Coal Mine in China

Table 9

Standard deviations.

	i	1	2	3	4	5	6	7
First-level factor		1.00	0.61	0.54	0.33	1.32	1.22	1.01
Secondary factor		0.65	0.94
		0.80	1.02	0.84
		1.27	1.11	0.92
		1.03	0.84	0.98	1.10	0.99
		1.37	0.79	1.10
		1.37	0.81	1.24	0.88
		1.00	0.97