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Variation describes how consistent a process’ output is. Reducing variation is a fundamental goal of Lean Six Sigma, as it means more consistent results that meet customer requirements.

Variation can be divided into two types: Common Cause and Special Cause.

For a better understanding of Variation and an overview of Lean Six Sigma, check out our Free Lean Six Sigma Yellow Belt Training, Green Belt Training or Lean Training.

Elisabeth Swan

Elisabeth is a Managing Partner & Executive Advisor at GoLeanSixSigma.com. For over 25 years, she's helped leading organizations like Amazon, Charles Schwab and Starwood Hotels & Resorts build problem-solving muscles with Lean Six Sigma to achieve their goals.