A Review of Six Sigma Approach: Methodology; Implementation and Future Research

Meena Ahirwar, Dr Devendra Verma

Abstract: Six Sigma is an approach that improves quality by analyzing data with statistics. In recent years there has been a significant increase in the use and development of the Six Sigma methodology in manufacturing industry and others. It is high time to have a review on the Six Sigma approach. This paper reviews some related literatures to describe methodology; implementation and future researches. The present paper summaries four issues within the sub-category of the initial Six Sigma concepts: basic concept; DMAIC; DFSS and deployment. Then; some sectors that benefit from the implementation of Six Sigma are listed out; and the key factors influencing the successful Six Sigma project implementation are identified. At last; some topics for future research are presented.

Keywords: Six Sigma, methodology, implementation, future Research quality management