Chapter 5The Principles of Six Sigma

DOI: 10.4324/9780429029196-6

While we have reviewed two parts of the pie, we still have the third and vital part of the TLS Continuum equation—that of the Six Sigma methodology. Like the previous two slices, it also has its unique toolbox as shown in Figure 5.1

During the golden age (1980–1990) of continuous process improvement, one company was seeking a more finite method of determining the prevalence of errors or defects in their processes. Under the experimentation of Bill Smith and his team, Motorola created and trademarked the term Six Sigma.

To understand the principles of the Six Sigma methodology, we need to have a basic understanding of two concepts. First, we need to understand what we mean by ...

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