DMAIC, the acronym for the five stages of six sigma

DMAIC

DMAIC is the acronym for the five stages of Six Sigma quality and assurance improvements.

D=Define tolerance range
M=Measure vital internal processes, which are critical to quality.
A=Analyze deficiency.
I= Improve tolerance.
C= Control the process.

DMADV is the acronym for the methodology in which new processes are introduced.

D=Define the process. Know where it would not meet the customer expectations.
M=Measure how much of the customers needs are met.
A=Analyze all alternative in meeting the customer needs.
D=Design changes to the process, which will guarantee the customers needs are
met.
V=Validate that such changes have met the customers needs.

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Achieving Six Sigma	Six Sigma Methodology	What is Six Sigma?	Overview of Six Sigma

Define, Measure, Analyze, Improve and Control