Historically, the average time to service a customer complaint has been 3 days and the standard deviation
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Historically, the average time to service a customer complaint has been 3 days and the standard deviation has been 0.50 day. Management would like to specify the control limits for an x-bar chart with a sample size of 10 and 3-sigma limits. The UCL for the chart would be:
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Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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