Six Sigma is an integrated, disciplined proven approach for improving business performance. The approach requires defining process function, identifying, collecting, and analyzing data, creating and consolidating information into useful knowledge and communication and application of such knowledge to reduce variation.Six Sigma is a management philosophy. Six Sigma means recognizing value of defect-free business processes. Fewer defects mean lower costs and improved customer loyalty. The lowest cost, high value producer is most competitive provider of goods and services.
Six Sigma is a business improvement strategy. It seeks to identify, reduce, and eliminate defects from every product, process and transaction. It uses a structured systems approach to problem solving and strongly links initial improvement goal targets to bottom-line results. Six Sigma is a way to achieve strategic business results.
Six Sigma is a process. Six Sigma is a robust continuous improvement strategy and process. More than a "quality" program, Six Sigma is a business initiative that helps every area of an organization meet changing needs of its customers, profitably.
Six Sigma is also definition of a statistical measure of quality, 3.4 defects per million or 99.99966% high-quality. To implement six sigma management philosophy and achieve six sigma level of 3.4 defects per million opportunities or less there is a process that is used. Although zero defects is goal, as a measure, Six Sigma will drive a firm toward achieving higher levels of customer satisfaction and reducing operational costs.