Tag Archives: shift and drift

The Shifty Business of Process Shifts: Part 3

Setting the Stage The primary motive for publishing this treatise is attributable to the mass of misunderstandings that currently exists about the nature and purpose of the Six Sigma Model (SSM) and its use of a 1.5σ shift. Where this … Continue reading

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The Technical History of Six Sigma

Setting the Stage As a first point of business, let’s set the stage for our ensuing discussion with a brief orientation on the technical evolution of Six Sigma.  In this way, we can get down into the boiler room of … Continue reading

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The Shifty Business of Process Shifts: Part 2

The Historical Context Many have often said that the projection of history can forecast the future.  Well, this may be true in some areas of life, but certainly not by considering today’s common notion of the 1.5 sigma shift factor … Continue reading

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