Use statistical process control when you want to make sure that the solution you created is maintained over time. By using these tools, your process can remain in control.
Six Sigma was originally developed by Motorola – first by Bill Smith, then Mikel Harry as a general approach to measuring quality in business performance terms. Over the years, especially in the 1990s continuous improvement tools and methods were developed by Deming, Juran, Shewhart, Ishikawa, Shingo and Taguchi. Now it has evolved be a […]
The Problem Solving Strategy Y = f(x) http://www.isixsigma.com/new-to-six-sigma/dmaic/yfx-roadmap-telling-dmaic-story-using-xs-and-ys/ http://www.micquality.com/six_sigma_glossary/big_y.htm