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Lean Six Sigma Q&A - GoLeanSixSigma.com

How it is possible to calculate CP or CPK if I have non-normal data?

The non-normal calculation is based on the maximum likihood estimate of the distribution parameters rather than the mean and variance associated with the normal distribution. These parameters estimate the distribution proportions for the capability calculation. For example, a Gamma distribution is defined by shape, scale and theshold parameters. A Poisson distribution is defined by Lambda,…
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Lean Six Sigma Q&A - GoLeanSixSigma.com

What should be captured in a SIPOC?

Expanded Question: I am working on a SIPOC diagram for an urgent care facility. The test facility is the Supplier. I can’t figure out the Input, but the Output was provided which is Diagnosis and the Customer is the Doctor and Patient. I was thinking the test itself would be the Input. Please help. In…
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Lean Six Sigma Q&A - GoLeanSixSigma.com

What are some examples of wastes in a banking institution?

Wastes in banking fall into the same categories as other transactional processes. In terms of examples of the Eight Wastes, there is: “Transportation” or touches related to the number of times a check is handled before it is deposited; “Inventory” shows up as emails waiting for answers or transactions waiting for batch processing; “Waiting” is…
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Lean Six Sigma Q&A - GoLeanSixSigma.com

How is value determined in a Lean system?

Here’s a simple and brief answer to a meaty subject. Value in a Lean system is created through the elimination of waste and the transference of time and resources from non-value adding process activities to value-adding activities. Waste is definitional and comprises anything NOT needed in the creation and delivery of product or service to…
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Lean Six Sigma Q&A - GoLeanSixSigma.com

What are the five steps of the DMAIC process?

The five steps of the DMAIC process are: Define – Identifying the issue that you want to resolve Measure – Plan and capture data about the current performance and what might impact that performance Analyze – Review the process and the data to determine the root causes of the issue Improve – Plan changes to…
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Lean Six Sigma Q&A - GoLeanSixSigma.com

Do you have to go through your organization to get Lean Six Sigma training?

You definitely do not have to go through your current employer to get training. There are many organizations that provide Lean Six Sigma training including GoLeanSixSigma.com. Courses typically range in depth, but it’s always best to go through a workshop with examples to practically apply the tools can concepts. Although it is not necessary to go…
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Lean Six Sigma Q&A - GoLeanSixSigma.com

Where is Lean Six Sigma typically applied?

Lean and Six Sigma were evolved within manufacturing industries and typically in the product and manufacturing functions. However, manufacturers implementing Lean Six Sigma found that their customers weren’t just focused on price and quality but also service. In the mid-1990s, a pre-eminent manufacturer did a disloyalty survey (clients who switched to another supplier) and found…
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Lean Six Sigma Q&A - GoLeanSixSigma.com

What is the difference between Lean Six Sigma and The 20 Keys?

Kobayashi’s 20 keys are a checklist of manufacturing improvement concepts, whereas Six Sigma is an industry neutral, 5-step process improvement model that takes a single opportunity from a problem statement to a sustained implementation. Many of The 20 Keys’ concepts are used in Lean Six Sigma but they are included within the relevant phases; Define,…
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Lean Six Sigma Q&A - GoLeanSixSigma.com

Who should be selected to be certified in Lean Six Sigma in a hotel?

Within any industry, hospitality included, there is a little bit of self-selection involved in determining who should become a certified Black Belt or Green Belt – some interest is key. Aside from that I’ve seen wide variation in who was selected to become a certified hotel Black Belt. Any manager should be a candidate since…
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