Concept
Version 5
Created by Boundless
Strategy
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"File:Six sigma-2.svg - Wikipedia, the free encyclopedia."
http://en.wikipedia.org/w/index.php?title=File:Six_sigma-2.svg&page=1
Wikipedia
CC BY-SA.