Six Sigma a more advanced way of tackling problems. Six Sigma (like ACTI) uses step by step program. Six Sigma is more extensive. Within Six Sigma knowledge there are multiple categories: Champions, Master Black Belts, Black Belts and Green Belts. The difference is in the depths of knowledge of Six Sigma. The higher you are in the organisation the more knowledge about Six Sigma you should have.

When to use

Six Sigma is mainly used in the β-phase and in mass production when encountering problems. Six Sigma uses different techniques: pareto, SPC, Ishikawa, Multi Criteria table and Cpk’s.

Six Sigma is used:

• to solve product and production problems
• to solve problems in logistics and company processes

Description

Six Sigma uses the step by step program called DMAIC. This is short for Define, Measure, Analyse, Improve, Control.

Define

• Set up a project charter
• Project scope

Measure

• Analyse the measuring system
• Determine the capability of a process

Analyse

• Test hypothesis
• Correlations and regression

Test set up

• Improve
• Comparing and solutions
• Process FMEA

Control

• Statistic Process Control
• Alternative control charts
• Lean techniques for control