Long-Term Room and Pillar Mine Production Planning Based on Fuzzy 0-1 Linear Programing and Multicriteria Clustering Algorithm with Uncertainty

Table 5

Ore grade characteristics of TMC.

TMC	Mean value of the grade (%)		Standard deviation of the grade (%)		Coefficient of the grade variation (%)
	Lead	Zinc	Lead	Zinc	Lead	Zinc
1	2.263	3.364	0.325	1.198	14.392	35.607
2	1.801	3.832	0.292	0.418	16.222	10.931
3	2.170	3.937	0.381	0.820	17.565	20.823
4	1.950	2.573	0.169	0.928	8.710	36.079
5	2.136	4.636	0.267	1.262	12.531	27.226