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Six Sigma

Six Sigma is a quality control program that uses statistical control measures to reduce variation in manufacturing processes. Six sigma is a statistical benchmark that results in fewer than 3.4 defects in a million. Fewer mistakes results in less waste generated.

The Six Sigma program follows the five-step process:

  1. Define
  2. Measure
  3. Analyze
  4. Improve
  5. Control

Although similar, Six Sigma is not the same as lean manufacturing. The most notable difference is that Six Sigma does not require the input of those impacted by the program to participate in the solution development phase.

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