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SAS® for Six Sigma - An Introduction

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Daniel R. Bretheim
Towers Watson, Arlington, VA


Six Sigma is a business management strategy that seeks to improve the quality of process outputs by identifying and removing the causes of defects (errors) and minimizing variability in manufacturing and business processes. Each Six Sigma project carried out within an organization follows a defined sequence of steps and has quantified financial targets. All Six Sigma project methodologies include an extensive analysis phase in which SAS® software can be applied. JMP® software is widely used for Six Sigma projects. However, this paper demonstrates how Base SAS® (and a bit of SAS/GRAPH® and SAS/STAT® software) can be used to address a wide variety of Six Sigma analysis tasks. The reader is assumed to have a basic knowledge of Six Sigma methodology. Therefore, the focus of the paper is the use of SAS code to produce outputs for analysis.

Online resources

Download the .pdf of the paper here.