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Session 1 - Introduction to Lean Six Sigma Questions and Answers 2024
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Session 1 - Introduction to Lean Six Sigma
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Session 1 - Introduction to Lean SixSigma
Six Sigma - answer Refers to a product or process that produces only three defects (or
errors) out of every million opportunities.
Sigma Level - answer Sigma level is a quality metric that measures the level of
performance of a process based on the number of defects per million opportunities
(DPMO) in that process, compared to the near-perfection level of Six Sigma, which
equates to 3.4 defects per million opportunities.
Benefits of Six Sigma - answer Customers get more quality, reliability and value.
Associates get more job security, teamwork, and participation.
Shareholders get more profitability, market share, and return on investment.
Defect - answer Any failure of a product or service to meet customer requirements. The
"customer" may be the external consumer, or may be the next step of an internal
process.
Philosophy Lean Six Sigma - answer Removing variability from upstream operations
that are inputs to a process will yield defect-free outputs
Goal Lean Six Sigma - answer Identify the significant inputs, then tackle the root causes
of their adverse variability through improved process controls, error-proofing, redesign
for manufacturability, and other methods.
Y=f(X) - answerMeans output (Y) is a transfer function (f) of inputs (X), variability in the
inputs causes defects, or errors, in the output. Transformation of inputs by the process
into an output is represented by f.
Central Activities of a Lean Six Sigma Project - answerIdentifying and resolving
upstream root causes of variation (defects)
Defects Per Million Opportunities (DPMO) - answerWhen a process is improved to the
point to 3 or less defects in each million opportunities, process reaches Six Sigma
performance level.
Purpose of Lean Six Sigma - answerBusiness Success defined by:
1) Reduced cost
2) Increased market share
3) Improved customer satisfaction
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