Exam (elaborations)
Six Sigma Questions with Solutions
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Exam of 2 pages for the course Lean Six Sigma at Lean Six Sigma (Six Sigma)
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Six SigmaSix Sigma Management Philosophy - answer well developed approach to quality
improvement, uses statistics and management by fact, is effective in manufacturing and
services firms
Six Sigma - answer A comprehensive and flexible system for achieving, sustaining and
maximizing business success. Driven by a close understanding of customer needs,
disciplined use of facts, data, and statistical analysis and diligent attention to managing,
improving, and reinventing business processes.
Sigma - answer amount of variation in a process around the mean value for that
process
6 Sigma - answer3.4 defects per million
5 Sigma - answer230 defects per million
4 Sigma - answer6,210 defects per million
3 Sigma - answer66,800 defects per million
2 Sigma - answer308,000 defects per million
1 Sigma - answer690,000 defects per million
Measure of Central Tendency - answerwhat the average piece/metric looks like
Measure of Dispersion - answerhow the data looks around median; range, sample
variation and deviation
In Control Process (Control Charts) - answerwhen variation falls within the upper control
limit and lower control limit
Quality Function Deployment (QFD) - answerhow to get where we want to go, plan
Pareto - answer80/20 rule, critical few vs. trivial many
Design of Experiments (DOE) - answersetting up a controlled experiment to find the
cause of difference
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