An x chart is used to maintain current control of a process. The cost parameters are a1
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= 0.01/hr or 1/ = 100hr; δ = 2.0
a1 = $0.50/sample; a2 = $0.10/unit; a'3 = $50; a3 = $25; a4 = $100/hr
g = 0.05hr/sample; D = 2hr
(a) Evaluate the cost of the arbitrary control chart design n = 5, k = 3, and h= 1.
(b) Evaluate the cost of the arbitrary control chart design n = 5, k = 3, and h= 0.5.
(c) Determine the economically optimum design.
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Related Book For
Introduction to Statistical Quality Control
ISBN: 978-1118146811
7th edition
Authors: Douglas C Montgomery
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