Find three-sigma upper and lower control chart limits, Operation Management

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Find three-sigma upper and lower control chart limits

A textile company monitors its process by counting the number of defects in the bolts of cloth it produces. To establish its control chart limits, a random sample of 20 bolts of cloth was selected and the average number of defect per bolt calculated. If the sample average was 25 defects per bolt, then the 3-sigma upper and lower control chart limits for this process would be (which one is correct)

1. UCL = 20; LCL = 5
2. UCL = 45; LCL = 0
3. UCL = 40; LCL = 10
4. UCL = 25; LCL = 15

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Operation Management: Find three-sigma upper and lower control chart limits

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Operation Management: Find three-sigma upper and lower control chart limits

Reference No:- TGS090591

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Recent Questions Asked Operation Management

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Request for Solution File

Ask an Expert for Answer!!

Operation Management: Find three-sigma upper and lower control chart limits

Reference No:- TGS090591

Recent Questions Asked Operation Management

Q : Explain process capability index for the process

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Q : Determine the cost of the inventory acquired from the estate

Q : Prepare a cash inflow budget

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