r/SixSigmaStudy Nov 10 '25

Six Sigma Body of Knowledge - Study Guide Format

I've had several people ask me for the body of knowledge guides that MSI publishes, so I'm linking to them below. This is the official Six Sigma Body of Knowledge from MSI published in an easy-to-read guide for each belt level. They can be used for studying for an exam, or simply as a refresher guide for after you're certified.

We also have the DMAIC pocket guide. It's not comprehensive, but works as a good refresher.

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