Getting started with Six Sigma

Six Sigma Introduction

Six Sigma is a process which is highly disciplined that helps a company focus on delivering and developing services and near-perfect products. 

What is Six Sigma?

  • It is a methodology for continuous improvement
  • It is a process for creating products that are high standards
  • It consist of quality and  statistical tools uniquely arranged
  • It is a way of knowing where you could be and  where you are
  • It is a Quality Philosophy and management technique 

Six-Sigma is an integrated quality improvement frameworks which aims at ensuring no more than 3.4 defects per million opportunities. 

Key Concepts of Six Sigma

At its core, Six Sigma consists of few key concepts.

  • Critical to Quality: Customer important attributes.
  • Defect:  Failing to meet what the customer wants.
  • Process Capability: Deliver based on your process.
  • Variation: What the customer feels and sees
  • Stable Operations: Customer sees and feels based on ensuring consistent, predictable processes
  • Design for Six Sigma: Designing to meet customer capability and process.

Six Sigma focuses first on reducing process variation and improve on capability of process.

How did Six Sigma originated?

  • 1987 Motorola Develops Six Sigma
    Raised Quality Standards
  • Other Companies Adopt Six Sigma
    GEPromotions, Profit Sharing (Stock Options), etc. directly tied to Six Sigma training.
    Dow Chemical, DuPont, Honeywell, Whirlpool


This tutorial is an overview on Six Sigma. Six Sigma is a disciplined, data-driven approach and methodology for eliminating defects (driving toward six standard deviations between the mean and the nearest specification limit) in any process. There are 13 parts to this tutorial as given below

  1. Six Sigma Introduction
  2. Six Sigma Key Elements
  3. Six Sigma Organization
  4. Six Sigma Get Started
  5. Six Sigma Methodology
  6. Six Sigma Define Phase
  7. Six Sigma Measure Phase
  8. Six Sigma Analyses Phase
  9. Six Sigma Improve Phase
  10. Six Sigma Control Phase
  11. Six Sigma Technical Tools
  12. Six Sigma Defect Metrics
  13. Six Sigma Summary



If you want to get an overview on Six Sigma, this tutorial series is for you to read.

Author: Subject Coach
Added on: 18th Feb 2015

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