I have recently got the project of Lean Six Sigma. While working on it I found that it eliminates the waste and moves the mean to fix target. Six Sigma and Project Management looks same but there is the big difference. Since I am new to this, I want to know few points regarding Lean Six Sigma 1. Why the quality increases while we reach the sixth level?2. How can we integrate lean tools in six sigma project? At what stage we can use it?Can someone explain me??