Why Else Do Companies Implement Six Sigma?
It Sets Different Standards. Past definitions of quality focused on conformance to standards as companies strived to create products and services that fell within certain specification limits. If companies produced quality products and services, their performance standards were correct regardless of how those standards were met — even, for example, if a part had been reworked extensively to meet the standard. Six Sigma broadens the definition of quality to include (for both company and customer) expected standards of economic value — for example, the costs to produce a product — and practical utility.