Reducing defects, waste and variation within your processes is indispensable to make continuous improvement happen. Using statistical data enables you to deduce the right decisions based on facts in a short time, which is essential in a fast moving environment.
Six Sigma is a quantitative approach to improve processes. Deviation from the standard indicates the need for closer examination. A KPI-based analysis of performance allows your team to reveal weak spots and enables you to systematically move along cause-effect-chains to get to the root of any issue.