Chapter 2. SIX WHAT? WHAT'S A SIGMA?
Understanding Six Sigma does not require any great skill or background in statistics. In fact, "What is Six Sigma" can be answered in various ways. In this chapter, we'll concentrate on defining Six Sigma as
A statistical measure of the performance of a process or a product
A goal that reaches near perfection for performance improvement
A system of management to achieve lasting business leadership and world-class performance
In exploring these definitions, we'll provide some insights into why Six Sigma is such a powerful movement.
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