Six Sigma can be used to creating the improvement of the business process. Output of our process sometimes influenced by some factors that measurable or not, predictable or not predictable. This process we can illustrate as the Functional Mathematics Y = f(X’s)
Y -> Output (Customer), Value, Result, Effect, Symptom, Depended Variable X’s -> Causes, Factor, Input, Problem, Independent Variable
To solve the problem by using Six Sigma, commonly steps in Six Sigma activities are DMAIC (Define – Measure – Analyze – Improve – Control).
