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STATISTICS FOR SIX SIGMA MADE EASY!, Second Edition by Warren Brussee

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CHAPTER 15Simplified Design of Experiments

What you will learn in this chapter is how to run a simplified design of experiments (DOE). The purpose of a DOE is to optimize a process by finding the right settings for a set of key process input variables (KPIVs). This chapter applies to the Improve step in the DMAIC process. It is primarily for those involved in manufacturing or process work.

Some Six Sigma practitioners feel that DOEs do not belong in a text for green belts, because DOEs are too complicated. Also, since there are whole books written just on this subject, these people don’t believe that DOEs can properly be covered in a relatively few pages. These concerns may be valid for traditional DOEs, but the simplified DOE presented here ...

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