## Let's improve the world together!

Lean Six Sigma is simple, it is just about Y = f(x) 1. Define phase is about understanding what is the problem in the process and about describing the process and people involved. It is about defining the problem (Y). 2. Measure phase is about describing the process with data so we can understand the problem with support of data. It is about measuring the problem (Y). 3. Analyze phase is about root causes that have impact on our problem. The output of Analyze phase is the lis