Leading Six Sigma: A Step-by-Step Guide Based on Experience with GE and Other Six Sigma Companies

How to Think About the Six Sigma Tools

The statistical and process improvement tools are clearly an integral part of the Six Sigma approach. As illustrated in this case study, without these powerful technical tools, Six Sigma would regress into a collection of vague concepts, slogans, and other fluff. It is the technical toolset that brings rigor to Six Sigma. The MBBs, Black Belts, and Green Belts are the resources primarily responsible for use of the tools. This raises the question, “How should leaders, such as executives, business unit leaders, and Champions think about the Six Sigma tools?”

First, it is important to understand that these leaders do not need to become professional statisticians, or even highly skilled in use of the tools. ...