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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 Master Black Belt at, the co-author of The Problem-Solver’s Toolkit and co-host of the Just-in-Time Cafe. For over 30 years, she's helped leading organizations like Amazon, Charles Schwab and Marriott International, Inc. build problem-solving muscles with Lean Six Sigma to achieve their goals.
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