What is Six Sigma - Video-2

This video from Advance Innovation Group is intended to help the audience in understanding the usage of Six Sigma as a problem Solving Methodology.
Six Sigma typically talks about Y = f(X), where Y referred to as a problem or output that does not have any independent existence, it is always dependent on factors or inputs. Six Sigma methodology doesn’t work on problem instead work on the factors which are contributing towards the problem so that the problem is not only fixed but eliminated. Six Sigma could be understood as a Measure of Quality or a common yardstick of measurement. It can also be understood as a philosophy and a management system. The key focus is to eliminate variation from the system. Six Sigma as a measure of quality is the mathematical value representing the number of defects per million opportunities