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You will easily see how processes should be improved.And you will have the confidence to solve almost any problem your company faces.
Six Sigma is an approach to data-driven management that seeks to improve quality by measuring how many defects there are in a process and systematically eliminating them until there are as close to zero defects as possible.
In statistics, the Greek letter sigma is used to denote standard deviation from the mean.
In the 1920s, statistical quality control pioneer Walter Shewhart proposed that in manufacturing, three sigma from the mean is the tipping point that indicates a process has too many defects and requires correction.
(article) Green Belt Certification: Welcome to Quality (article) Costs and Savings of Six Sigma Programs (article) Delivering Process Excellence Through Process Management (webcast) Philosophy— The philosophical perspective views all work as processes that can be defined, measured, analyzed, improved and controlled.
Processes require inputs (x) and produce outputs (y).