CHAPTER 2Key Concepts of the Six Sigma System

LIKE ALL SYSTEMS, Six Sigma is made up of essential components that combine to drive improved business performance. Having taken a look in Chapter 1 at some of the results and key themes of Six Sigma, we’ll now dig deeper into the questions “What is Six Sigma?” and “Why Six Sigma?” by describing in greater detail some of the key elements of the system.

A Six Sigma Vision of Business Leadership

Creating a Closed-Loop System1

Imagine a young child is learning how to ride a bike, and that you as parent, relative, neighbor, are there to help and offer encouragement. You want to see the kid succeed—much as an investor wants to see its business offspring thrive. You give the kid a push, and for a while ...

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