ISO 18404:2015: Quantitative methods in process improvement - Six Sigma (e-standard)
- Six Sigma
ISO 18404:2015 defines the competencies for the attainment of specific levels of competency with regards to Six Sigma, Lean, and "Lean & Six Sigma" in individuals, e.g. Black Belt, Green Belt, and Lean practitioners and their organizations. Yellow Belt is not included in ISO 18404:2015. ISO 18404:2015 excludes Design for Six Sigma.