Optimizing Safety Stock Levels in Modular Production Systems Using Component Commonality and Group Technology Philosophy: A Study Based on Simulation

Table 9

Correlation coefficients, means of demands, and standard deviations.

	EP1	EP2	EP3	EP4	EP5
EP1	—	0.72	0.61	0.75	0.8
EP2	0.72	—	0.55	0.66	0.91
EP3	0.61	0.55	—	0.32	0.53
EP4	0.75	0.66	0.32	—	0.44
EP5	0.8	0.91	0.53	0.44	—
	550	450	650	600	450
	80	75	95	105	75