Question 4 A process is in statistical control with x=205 and R = 15. The control chart uses a sample size of n = 6. Specifications are at 220 ± 10. The quality characteristic is normally distributed. 1- Estimate the potential capability of the process Cp. 2- Estimate the actual process capability. 3- Calculate P the percentage of the specification band used up by the process 4- Find a 95% confidence interval on Cp.
Question 4 A process is in statistical control with x=205 and R = 15. The control chart uses a sample size of n = 6. Specifications are at 220 ± 10. The quality characteristic is normally distributed. 1- Estimate the potential capability of the process Cp. 2- Estimate the actual process capability. 3- Calculate P the percentage of the specification band used up by the process 4- Find a 95% confidence interval on Cp.
Chapter1: Taking Risks And Making Profits Within The Dynamic Business Environment
Section: Chapter Questions
Problem 1CE
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Transcribed Image Text:Question 4
A process is in statistical control with x=205 and R = 15. The control chart uses a sample size
of n = 6. Specifications are at 220 ± 10. The quality characteristic is normally distributed.
1- Estimate the potential capability of the process Cp.
2- Estimate the actual process capability.
3- Calculate P the percentage of the specification band used up by the process
4- Find a 95% confidence interval on Cp.
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