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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

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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 was collected from a sample provided by the supplier.

SAMPLE 1 2 3 4 5 6 7 8 9 10
IRREGULARITIES 6 4 3 4 5 5 6 2 4 6

a. Determine the cc, 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.)

cc
Sp
UCL
LCL

b. Suppose the next five rolls from the supplier had two, two, five, three, and eight irregularities. Is the supplier process under control?

Yes
No

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 was collected from a sample provided by the supplier. SAMPLE IRREGULARITIES 1 6 2 4 3 3 4 4 5 5 6 5 7 6 8 2 9 4 10 6 a. Determine the c, 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.) UCL LCL b. Suppose the next five rolls from the supplier had two, two, five, three, and eight irregularities. Is the supplier process under control? Yes

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