Comments on: What Does y=f(x) Mean, and How to Use It? https://sixsigmadsi.com/yfx-what-does-it-stand-for/ Six Sigma Development Solutions, Inc., providing “Operational Excellence” to Organizations around the Globe. Fri, 22 Dec 2023 15:05:20 +0000 hourly 1 https://wordpress.org/?v=6.6.2