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Unknown Process Standard Deviation UCLy = 8+ A,R UCLR = D4R Use a standard deviation (z) = 3 Factor for Determining from R the Three-Sigma
Unknown Process Standard Deviation
UCLy = 8+ A,R
UCLR = D4R
Use a standard deviation (z) = 3
Factor for Determining from R the Three-Sigma Control
- What is the value of the Upper Control Limit (UCL) for the I - Chart?
- What is the value of the Lower Control Limit (LCL) for the & - Chart?
- What is the value of the Upper Control Limit (UCL) for the R - Chart?
- What is the value of the Lower Control Limit (LCL) for the R - Chart?
- Is the process in control?
- Use the UCL and the LCL calculated using Samples 1 through 9, Suppose for the next sample (Sample #10) the mean (i.e., R) is 9,995 and the range is 17. Without recalculating the control limits, would the process be in
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