7
Six Sigma
“The ability to simplify means to eliminate the unnecessary so that the necessary may speak.”
Hans Hofmann
Upon completion of this chapter, you will be able to:
- Explain Six Sigma
- Describe the Six Sigma quality level
- Understand the fundamentals of the Six Sigma strategy
- Explain the steps in implementing Six Sigma (DMAIC, DMADV and DFSS)
- Discuss the Six Sigma training programme
Introduction
Sigma (σ) is a letter in the Greek alphabet used to denote the standard deviation of a process. The term Six Sigma is derived from the field of statistics. Sigma quality level is sometimes used to describe the output of a process. A Six Sigma quality level is said to equate to 3.4 defects per million opportunities. However, the term in practice ...
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