Choosing a Right Parametric Test
When dealing with normally distributed data it is crucial for lean six sigma practitioners to be able to correctly choose a correct statistical parametric test. Knowing how to choose the right test will often determine how accurate and informative the findings from a six sigma study are.
That's why all lean six sigma master black belt, black belt and green belt certification seekers need to add this subject into their lean six sigma training efforts and get to know which parametric test to choose. It is likely that lean six sigma exams administered by various organization (ASQ, IASSC etc.) will test master black belt, black belt and green belt certification candidates on this subject.
The following chart will help lean six sigma master black belt, black belt and green belt certification seekers to learn how to choose an appropriate six sigma statistical test for normal data.