The goal of Six Sigma is to reduce variation for optimal quality control. The discipline known as Lean Six Sigma (LSS) b

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The goal of Six Sigma is to reduce variation for optimal
quality control. The discipline known as Lean Six Sigma (LSS)
blends these two approaches.
When working on a Six Sigma project, accurate methods to
measure process performance metrics are critical for understanding
the current state of a process and the value of changes made.
Calculate the DPMO of a process with an error rate
21%.
A core principle in lean methodology is the removal of
waste within an operation. And in any business, one of the
heaviest drains on profitability is waste. Explain in detail the
phases in Lean Methodology using the DMAIC method and provide an
example of an organisation which has benefited from this
method.