Six sigma is a data driven, customer focused, and result oriented methodology which uses statistical tools and techniques to systematically eliminate the defects and inefficiencies to improve processes. It is a systematic method to measure and analyze the business processes to identify critical factors affecting business results, thereby improving the processes and establishing controls around the improved processes.

6sigmastudy is the global certification body for six sigma certifications. The quality of its study resources, credibility of certifications, use of technology to create user-friendly processes, simplified partner registration, and the focus on interactive training methodologies distinguishes it in the world of six sigma certifications.