Consider the hole diameter data in Exercise 6.9. Estimate process capability using x and R charts. If specifications are 0 ± 0.01, calculate Cp, Cpk, and Cpkm. Interpret these ratios.
Answer to relevant QuestionsA process is in control with x = 100.s = 1.05, and n = 5. The process specifications are at 95 ± 10. The quality characteristic has a normal distribution. (a) Estimate the potential capability. (b) Estimate the actual ...Consider the loan processing cycle time data in Exercise 8.15. Set up a CUSUM chart for monitoring this process. Does the process seem to be in statistical control? x p50 18.05; p84 20.53; p84 p50 ...Consider the “minute clinic” waiting time data in Exercise 6.66. Set up an EWMA control chart for monitoring this process using = 0.4. Compare this EWMA chart to the one from Exercise 9.16. Rework Exercise 9.1 using an EWMA control chart with = 0.1 and L = 2.7. Compare your results to those obtained with the CUSUM. = 25, CL = 0 = 1050, UCL = 1065.49, LCL = 1034.51 Reconsider the data in Exercise 9.9. Set up and apply an EWMA control chart to these data using = 0.1 and L = 2.7.
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