Lean Six Sigma


six sigma

 Six Sigma Methodology

Six Sigma focuses on reducing process variation and then on improving the process capability through these three methodologies

  • Process Improvement - DMAIC (Define-Measure-Analyze-Improve-Control)
  • Process Redesign/Design - DMADV (Define-Measure-Analyze-Design-Verify)
  • Process Management - SPC & Cpk (Statistical Process Control & Process Capability)

 DMAIC Model

Basically, Six Sigma methodology answers these fundamental and important questions.

Define Phase What is important?
Measure Performance How are we doing?
Analyze Opportunity What is wrong?
Improve Performance What needs to be done?
Control Performance How do we guarantee performance?

Note: CTQ denotes critical to quality.

DMAIC design measure analyze improve control

DMAIC tools


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