alliedsignal american society for quality analysis of variance arithmetic mean artificial pacemaker axiomatic design batch production business process improvement business process mapping business process ctq tree chi-square test continuous production control chart corrective and preventive action correlation cost-benefit analysis defects per million opportunities design for six sigma design of experiments direct mail distributed control system enterprise feedback management enterprise resource planning failure mode and effects analysis general electric general linear model genichi taguchi high availability histogram homoscedasticity honeywell industrial process industry inflection point ishikawa diagram jack welch james mcnerney job production kaizen kaoru ishikawa lean manufacturing list of six sigma companies list of six sigma software packages manufacturing martial arts mcdojo mean motorola normal distribution overall equipment effectiveness pdca pareto chart pick chart process capability process improvement programmable logic controller quality control quality management quantitative marketing research quick response manufacturing regression analysis reliability centered maintenance root cause analysis run chart sipoc service mark shingo prize for excellence in manufacturing sigma standard deviation statistical dispersion statistical population statistical process control statistician statistics strategic management systems thinking triz taguchi methods theory of constraints thought process map total quality management total productive maintenance wharton school of the university of pennsylvania zero defects