The Efficiency of Variance Reduction in Manufacturing and Service Systems: The Comparison of the Control Variates and Stratified Sampling

Table 3

The randomly selected parameter sets for four distributions.

Parameter sets	Process	Exponential (𝛽)	Uniform (𝑎,𝑏)	Triangular (𝑎,𝑏,𝑐)	Normal (𝜇,𝜎^2)
Set 1	Arrival	1	1,2	1,2,3	0.5,1
	Service	0.5			1,1.5
Set 2	Arrival	1.5	1,3	2,3,4	0.5,1.5
	Service	1			1,2
Set 3	Arrival	2	2,4	1,3,4	1,2
	Service	1.5			0.5,2
Set 4	Arrival	2.5	2,3	1,2,4	1.5,2
	Service	2			1,2.5