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Problem 10-24 A shirt manufacturer buys cloth by the 100 yard roll from a supplier. For setting up a control chart to manage the irregularities
Problem 10-24 A shirt manufacturer buys cloth by the 100 yard roll from a supplier. For setting up a control chart to manage the irregularities (e... loose threads and tears) the following data was collected from a sample provided by the supplier. 2 SAMPLE IRREGULARITIES 3 4 53 5 4 6 6 7 5 8 6 9 4 3 a. Determine the 7. Sp, UCL and LCL for a c-chart with z= 2. (Leave no cells blank - be certain to enter "0" wherever required. Round your answers to 2 decimal places.) Sp UCL LCL b. Suppose the next five rolls from the supplier had two four, four, three, and seven irregularities. Is the supplier process under control? Yes No
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