a. Construct a control chart with Three Sigma limits for the number of defects per spool of
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a. Construct a control chart with Three Sigma limits for the number of defects per spool of cable based on the following data. Is the process in control?
b. If a new spool has five defects, using the control chart of part a, has the process changed?
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a 21 14 15 Control Limits 15 367 UCL is517 LCL bei...View the full answer
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Saud Ur Rehman
Evaluating manufacturing processes by designing and conducting research programs; applying knowledge of product design, fabrication, assembly, tooling, and materials; conferring with equipment vendors; soliciting observations from operators. Developing manufacturing processes by studying product requirements; researching, designing, modifying, and testing manufacturing methods and equipment; conferring with equipment vendors. Keeping equipment operational by coordinating maintenance and repair services; following manufacturer's instructions and established procedures; requesting special service.
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Related Book For 
Operations Management
ISBN: 978-0071091428
4th Canadian edition
Authors: William J Stevenson, Mehran Hojati
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