WHAT IS SIX SIGMA

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WHAT IS SIX SIGMA?
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WHAT IS SIX SIGMA?

• The term Six Sigma is a statistical measure of
  quantifying defects/errors and at Six Sigma a
  process is producing only 3.4 defects/errors per
  million opportunities of error.
• The term Six Sigma leads us to the perception
  that it is all about engineers using complex
  statistics. Whilst statistics form an important
  part of Six Sigma training, the methodology also
  includes a spectrum of skills and tools such as
  leadership project management, process mapping,
  brainstorming techniques, qualitative analysis
  etc.
• Six Sigma was originally developed by Motorola in
  the 1980s as a continuous quality improvement
  technique. Since then, Six Sigma has moved far
  beyond just counting defects in a process or
  product. Today, it has evolved into a methodology
  to improve overall business performance, and is
  closely tied to a companys business strategies.
• In summary, Six Sigma is a structured and
  scientific methodology to
• Identify Improvement Opportunities.
• Define and solve problems.
• Establish measures to sustain the improvement.

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WHAT IS SIX SIGMA?
The main steps in implementing a Six Sigma
campaign are
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WHAT IS SIX SIGMA?
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WHAT IS SIX SIGMA?
Some of the activities and tools in a typical
DMAIC phased Six Sigma project

• Define Measure
• Identify business opportunities
• Identify customer requirements
• Process mapping
• Process Value Added analysis
• Cause Effect
• Sampling, study of variations
• Control charts
• Measurement system analysis
• Process performance

• Analyse
• Root cause analysis
• Process stratification
• Validation of root cause(s)
• Hypothesis testing
• Comparative testing
• Sources of variation study
• Failure mode effect analysis

• Improve
• Generating improvement ideas
• Evaluation selection of ideas
• Response surface methodology
• Presentation model tools
• Implementing change

• Control
• Planning a pilot
• Implementing solutions
• Statistical Process Control
• Process Integration
• Closure recognition