Six sigma focuses on the reduction in variations, defects, and simplification of processes to contribute to improvised operations. Some of the foundational principles of this statistical mechanism include:  Customer Focus - to have an unequivocal focus on quality from a customer perspective  Data Usage - Gathering process data in an error-free manner to draw insights and reduce variation to improve processes  Continuous improvement - Strive to continuously improve, eliminate waste in the processes and avoid complacency.  People involvement - Involving a cross-functional team will yield true benefits, reduce silos, and sort processes faster  Flexible yet Thorough processes - Process improvements bring change and change acceptance should not create hindrances, processes should be flexible to allow acceptance yet thorough in terms of measuring and reducing variations.