Which is the best chart to prove capability - Histogram or I-MR?

That’s a great question. For capability, I’d go with the Histogram. It’s easy to add the customer requirements to the graph and get a visual on how many times the process fails to meet the specifications. The I-MR Chart is a Control…

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histogram

Elisabeth Swan

Elisabeth is a Managing Partner at GoLeanSixSigma.com, the co-author of The Problem-Solver’s Toolkit and co-host of the Just-in-Time Cafe. 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.

Elisabeth Swan

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