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doe design of experiments response surface methodology root cause analysis six sigma climbing doe dmaic operational excellence total productive maintenance contour plot reliability centered maintenance cleanliness sort seiso seiketsu organization standard deviation producer risk orderliness seiton sustain standardize red tag register shine set in order discipline shitsuke seiri 5s tpm asset reliability criteria central limit theorem cpk operating characteristic curve consumer risk data transformation normality testing lot tolerance percent defective (ltpd) distribution identification statistical process control normal probability plot rejectable quality level (rql) sampling plan design variance spc process capability analysis acceptable quality level (aql) ppk bias pick chart apollo root cause analysis reality chart lean production lean six sigma value stream mapping muda kaizen improvement plan lean manufacturing process mapping lean wastes continuous improvement historical doe response surface analysis historical data analysis response surface regression response surface optimization data mining defect characterization failure analysis 8d red tag event hiroyuki hirano standardized cleanup safety % study variation correlation method detection limit precision measurement system analysis number of distinct categories % contribution calibration precision to tolerance ratio linearity accuracy gage r&r instrument detection limit long term stability matching metrology reproducibility repeatability green belt black belt steering team opex portfolio management lean project charter getting started data distribution power report means comparison analysis of variance mean shift one-way anova minitab export to powerpoint report card welch’s method summary report outliers hypothesis testing bad actor project closure audit project execution and control critical path management resource leveling resource loading enterprise program management resource identification gantt chart work breakdown structure project team project manager project selection project management life cycle project life cycle phase gate stage gate project management executive engagement lean six sigma integration project prioritization diagnostic report standardized effects screening taguchi plackett-burman optimization plot central composite factorial component life cycles reliability audit system rcm reliability communication condition directed maintenance consequence of failure analysis component classification bathtub curve reliability engineering periodicity preventive maintenance predictive maintenance beta reliability analysis minitab evop worksheet george box error limit cycle evolutionary operation statistical significance phase new effect evop center effect full factorial factor steepest ascent box-behnken resolution optimizing modeling response optimizer main effects plot surface plot shape parameter