General Discussion

Post your questions and General discussions here.

Contradictory or an obvious mistake in PMBOK 4E p190

On P 190, Six Sigma and other Quality approaches (methodologies) are shown as non proprietary. where infact these all are petented propritaries in real world.

In PMBOK on P199, SixSigma is shown again as proprietary type methodology.

What is your comments.

Regards

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