In this lecture, we will understand what is six in six sigma and what is sigma in six sigma. We will also understand standard deviation with data and graphically. Important Time Stamps: 00:00 Introduction to the course 00:12 What is sigma in six sigma? 00:23 What is standard deviation or sigma? 02:19 Understand sigma graphically 04:45 Understand 6 in six sigma with example Post navigation L3 – What is Quality? L1- What is Six Sigma?