You need this: Six Sigma Deployment - Mark Rewhorn

So you think your company is doing, "Very nicely thank you”? You get things right 99% of the time and are delivering shareholder returns above 5%. Not too bad then? Well maybe? But it could be a whole lot better!! You are operating at a level of around 3-Sigma. Research has shown that you are possibly consuming up to 25% of your gross revenue with the 1% you are getting wrong. If you were to move to become a 6-sigma level company, you would reduce the lost revenue to below 5%. That’s an extra 20% that you could add straight to your profits. What would your shareholders think of you then?

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