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An Input is a resource (product, service, data, labor, etc.) that is added to a Process by a Supplier. Inputs are the second step of SIPOC which is a high-level map of the process. Inputs are often measured in terms of volume and quality to understand their impact on a process.

For a better understanding of Inputs 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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