A nontraditional approach to continual improvement helps smaller companies achieve financial results similar to those of larger corporations.
Six Sigma has been defined as a tool kit or a set of techniques, based on statistical process control (SPC), that can help companies make major improvements in product quality. The Six Sigma goal of 3.4 defects per million, the standard +1.5 sigma shift, techniques for calculating the sigma value and definitions for Six Sigma Black Belts have been well documented.