It is a design-oriented, statistic-driven optimization approach to eliminate defects, reduce volatility, and avoid losses in products, processes and transactions.
The Six Sigma methodology uses an extremely effective, five-step approach to problem solving, called DMAIC for short (Define, Measure, Analyze, Improve, Control – Define, Measure, Analyze, Implement, Maintain), which is an extension of the well-known Plan-Do- cycle. Check-Act, oriented on the effective use of statistical tools. In combination with the principles of Lean and the DFSS (Design For Six Sigma) cycle, it provides a comprehensive, integrated approach to continuous quality improvement and business process improvement.
It can be used in any area or dimension of the organization – from product development, through procurement, administration, finance, to customer services and support. It is used by manufacturers, distributors, transportation companies, the financial services sector, healthcare and government organizations.