Is there any guideline to know what tool to use (Fishbone, Pareto, CTQ, etc) during the measurement phase to focus in a specific area or are the more tools you use the better?

Good question. There’s actually a great companion piece to the Green Belt Training called the DMAIC Field Guide – this lists challenges, best practices, deliverables and suggested templates/tools for each Phase.

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Elisabeth Swan

Elisabeth is a Master Black Belt at GoLeanSixSigma.com, 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.