Six Sigma is a set of tools and strategies developed by Motorola in 1986 to improve quality by reducing defects. It aims for nearly flawless processes, with 99.99966% of products free of defects. Six Sigma follows the DMAIC model - Define, Measure, Analyze, Improve, Control - to first define goals, measure current performance, analyze root causes of defects, improve the process, and control future performance. Many companies have successfully adopted Six Sigma and seen benefits like sustained success, enhanced customer value, and accelerated improvement rates.

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Six Sigma is a set of tools and strategies for
process improvement originally developed by
Motorola in 1986
Six Sigma seeks to improve the quality of process
outputs by identifying and removing the causes of
defects
A six sigma process is one in which 99.99966% of
the products manufactured are statistically
expected to be free of defects (3.4 defects per
million)

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It is a statistical concept that
measures a process in terms
of defects
A philosophy and a goal – as
perfect as practically possible
A symbol of quality

4. Service
HRM
Manageme
nt
Design
6 Sigma
Methods
Administrati
on
Purchase
Production
Quality
Department

6. Define
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Measure
Define the project goals
and customer deliverables
Measure the process to
determine current
performance

7. Analyze
Improve
Control
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Analyze and
determine the root
cause of the
defects.
Improve the process
by eliminating
defects
Control future
process
performance

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Companies those who have successfully
adopted ‘ 6 sigma ‘ Strategies include -

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Generates sustained success
Sets performance goal for
everyone
Enhances value for
customers
Accelerates rates of
improvement
Executes strategic change

10. 
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Executive leadership
Champions
Master Black Belts
Black Belts
Green Belts
Yellow Belts
White Belts