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Problem 13-8 (Algo) A shirt manufacturer buys cloth by the 100-yard roll from a supplier. For setting up a control chart to manage the Irregularities (e.g., loose threads and tears), the following data were collected from a sample provided by the supplier. SAMPLE IRREGULARITIES C Sp UCL LCL 24 2 a. Determine the è, Sp. UCL and LCL for a c-chart with z=2. (Leave no cells blank. Round up any negative LCL value to "O". Round your answers to 2 decimal places.) 9 10 O Yes O NO b. Suppose the next five rolls from the supplier had three, two, five, three, and seven Irregularities. Is the supplier process under control?

Problem 13-8 (Algo) A shirt manufacturer buys cloth by the 100-yard roll from a supplier. For setting up a control chart to manage the Irregularities (e.g., loose threads and tears), the following data were collected from a sample provided by the supplier. SAMPLE IRREGULARITIES C Sp UCL LCL 24 2 a. Determine the è, Sp. UCL and LCL for a c-chart with z=2. (Leave no cells blank. Round up any negative LCL value to "O". Round your answers to 2 decimal places.) 9 10 O Yes O NO b. Suppose the next five rolls from the supplier had three, two, five, three, and seven Irregularities. Is the supplier process under control?

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Problem 13-8 (Algo) A shirt manufacturer buys cloth by the 100-yard roll from a supplier. For setting up a control chart to manage the Irregularities (e.g., loose threads and tears), the following data were collected from a sample provided by the supplier. SAMPLE IRREGULARITIES C Sp UCL LCL 1 2 2 4 Yes O NO 3 4 5 2 5 3 a. Determine the è, Sp, UCL and LCL for a c-chart with z= 2. (Leave no cells blank. Round up any negative LCL value to "0". Round your answers to 2 decimal places.) 6 7 8 9 10 3 5 4 3 4 b. Suppose the next five rolls from the supplier had three, two, five, three, and seven Irregularities. Is the supplier process under control?
Transcribed Image Text:Problem 13-8 (Algo) A shirt manufacturer buys cloth by the 100-yard roll from a supplier. For setting up a control chart to manage the Irregularities (e.g., loose threads and tears), the following data were collected from a sample provided by the supplier. SAMPLE IRREGULARITIES C Sp UCL LCL 1 2 2 4 Yes O NO 3 4 5 2 5 3 a. Determine the è, Sp, UCL and LCL for a c-chart with z= 2. (Leave no cells blank. Round up any negative LCL value to "0". Round your answers to 2 decimal places.) 6 7 8 9 10 3 5 4 3 4 b. Suppose the next five rolls from the supplier had three, two, five, three, and seven Irregularities. Is the supplier process under control?
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