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JL

What is Six Sigma? Six Sigma is a set of methods designed to improve business processes or systems.

First off What is Six Sigma and how did it get its name, started in the 80s in the Motorola corporation Bill Smith came up with a concept of strategies that improved systems though the approach. One must seek out and find causes of errors or defects in production, services, processes, and other portions of the system. By placing the focusing on outputs that are critical to consumers the bottom line of the company. Lean is the elimination of addental steps or waste in the system. Often as a system is developed it will need checks and steps that will become repetitive and unnecessary as technology, repetition, or better processes are laced in. Lean is the removal of this waste.

Motorola's COE popularized six sigma using the benefits of the process, the concept was popularized and "sold to the company" because the Motorola had a complicated process, with extra steps, and lots of additional chances for errors. By using Six Sigma and Lean or Lean Six Sigma the rate of error was drastically reduced dropping the fault/error rate well bellow what it was and saving Motorola large amounts of cost.

Six Sigma is statistical measurement (math) that equals to 3.4 or less defects per million opportunities.

References

Evans, J. R., & Lindsay, W. M. (2017). Managing for Quality and Performance (10th ed.). Boston, MA: Cengage Learning.