The Six Sigma Methodology DMAIC is a data-driven method used to improve existing products or services for better customer satisfaction. It is the acronym for the five phases: D – Define, M – Measure, A – Analyse, I – Improve, C – Control. DMAIC is applied in the manufacturing of a product or delivery of a service.

Six Sigma is a business methodology for quality improvement that measures how many defects there are in a current process and seeks to systematically eliminate them.

If you're asking, “Is Six Sigma still relevant,” the answer is: absolutely! Many of the most cutting-edge companies, such as Microsoft and Pfizer, still use Six Sigma and Lean Six Sigma to enhance their processes, reduce errors, and optimize performance.

Six Sigma is a quality control certification that attempts to educate people on analyzing processes and outcomes to reduce waste and decrease defects. There are several levels of certifications, from a primary end user to a master Six Sigma user who acts as a senior quality control member.