10. DMAIC Model: “D” Is for Define
What Is the Objective of This Chapter?
The objective of this chapter is to take you through the various steps of the Define phase of the Six Sigma DMAIC model so that you can apply them on projects at your organization. We use a case study to demonstrate how the steps of each phase are executed in real world projects.
Purpose of the Define Phase
Remember, the Six Sigma DMAIC model is based on the scientific method and it is used to improve a current process, product, or service. The easiest way to explain the DMAIC model is to think of it in terms of (CTQ or Y) (the problematic metric you are trying to improve) is a function of one or more Xs (the steps in the process that are contributing to the CTQ being ...
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