The Basics of Six Sigma

In the previous set of chapters, we learnt what Six Sigma is, its History etc. We did not get into any of the technical aspects of it. In this and the subsequent few chapters, we are going to jump into the ocean called Six Sigma and learn its technical nitty-gritties.

Six σ

The 18th letter in the Greek alphabet is sigma (σ), and in the world of statistics it describes the standard deviation,