Check out our url for full article, https://www.sprintzeal.com/blog/six-sigma-certification-top-guide-2020 Six Sigma is an array of essential tools and approaches to process management. With businesses around the world, Six Sigma has become a global trend. Companies and individuals use Six sigma methodologies to boost the overall operating efficiencies. It helps in restoring the business processes and also stresses on the full productivity in all service characteristics and on reducing the process errors.