Statistics for Six Sigma Made Easy! Revised and Expanded Second Edition, 2nd Edition

CHAPTER 1Six Sigma Methodology and Management’s Role in Implementation

What you will learn in this chapter is the basic structure and purposes of the Six Sigma process. You will also see how management’s support of this methodology will ease its implementation and improve its likelihood of success.

DEFINITION: Six Sigma Methodology

The Six Sigma methodology uses a specific problem-solving approach and specialized Six Sigma tools to improve processes and products. This methodology is data-driven, with a goal of reducing the number of unacceptable products or events.

The technical goal of the Six Sigma methodology is to reduce process variation to such a degree that the amount of unacceptable product is no more than 3 defects per million parts. ...