faq Archives | GoLeanSixSigma.com

Can you improve a process for BOTH an internal and external customer in one DMAIC exercise?

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I think what you’re getting at is determining who the customer is of the process being analyzed and improved. If you’re trying to decrease the lead time to processing a mortgage application, then you’ve got an external customer. If you’re trying to decrease the time to hire, then you’ve got an internal customer. Once you…

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What is the difference between Lean and Six Sigma?

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The origins of Lean and Six Sigma are different. Lean and Six Sigma have their own sets of tools with some that overlap. Review the webinar slides one more time, because we do spend some time talking about the difference between the two of these on a number of slides.…

Can I register for the Black Belt course even if I don’t have my Green Belt?

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Yes, you may still register for the Black Belt Training & Certification course. However, passing our Green Belt Certification Exam is a required prerequisite for the Black Belt Training & Certification course. 3 attempts are permitted per section of the Certification Exam. If you are unable to pass all sections with an 80% or higher…

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Video: What is Lean Six Sigma?

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Tracy O'Rourke explains what Lean Six Sigma is, why businesses use it, and why it should matter to you as an individual. The following is a transcript of this video: I do a lot of travelling and the biggest question I get is "what is Six Sigma?” So I'm going…