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

<table>M/M/1 queues of the products/semiproducts in a job shop (<svg height="9.9499998" id="M1" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 11.8875 9.9499998" width="11.8875" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> represents a server<i>◯</i> represents a manufacturer of a semiproduct).</table>

Mathematical Problems in Engineering

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Figure 2

Figure 2: The Efficiency of Variance Reduction in Manufacturing and Service Systems: The Comparison of the Control Variates and Stratified Sampling 