A Simple Procedure to Determine the Economic Design of anX̄Control Chart

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Abstract
A simple procedure for selecting the optimal economic design of an X̄ control chart for a single assignable cause system is presented that can be applied at the workshop level. The procedure has the following features: 1) assuming a constant production rate, the loss per item is chosen as the optimality criterion rather than the loss per hour; 2) inspection of the production process every h hours without preceding sampling inspection is included as an alternative.