What are the 5 Whys & when is it used in Six Sigma?

Five whys (or 5 whys) is a technique first described by Taiichi Ohno at Toyota Motor Corporation. It is an iterative interrogative technique employed within the six sigma methodology, and used typically to explore the cause-and-effect relationships underlying a particular problem. The primary goal of the technique is to determine the root cause of a […]

What are the 5 Whys & when is it used in Six Sigma? Read More »