A sportswear firm has set up for automated production of a line of sweaters. Twenty samples...
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A sportswear firm has set up for automated production of a line of sweaters. Twenty samples of size n = 50 are to be withdrawn randomly during the first week of production in order to establish control limits for the process. Defects remain in the shipment but bring less revenue, for they eventually sell as "seconds." The defectives detected in the 20 samples are shown below. Construct a 3-sigma (99.74 %) control chart for this process. Is the production process "in control"? Explain. A sportswear firm has set up for automated production of a line of sweaters. Twenty samples of size n = 50 are to be withdrawn randomly during the first week of production in order to establish control limits for the process. Defects remain in the shipment but bring less revenue, for they eventually sell as "seconds." The defectives detected in the 20 samples are shown below. Construct a 3-sigma (99.74 %) control chart for this process. Is the production process "in control"? Explain.
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In drawing the control chart the upper control limit lowe... View the full answer
Related Book For
Project Management in Practice
ISBN: 978-0470533017
4th edition
Authors: Samuel J. Mantel Jr., Jack R. Meredith, Sco
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