Six Sigma

wikipedia:Six Sigma methodology for process improvement.

• Google Trends: https://trends.google.com/trends/explore?date=all&q=Six%20Sigma

• DMAIC
• Motorola
• RCA
• Lean Six Sigma

See also

• QA, Six Sigma, 8D, DMAIC, RCA, Postmorten, Pareto, Incident management