isixsigma on MSN3 个月
Multi-Vari Chart: Visualizing Variation in Your Processes
By utilizing three dimensions of variation, you get a better picture of where your process is fluctuating. From a single ...
Rochester Institute of Technology8 年
Reducing Variation with SPC
provides the means for the control of product quality and the reduction of process variation. To be successful you need to know how to collect data, understand the concepts underlying variation, ...
isixsigma on MSN6 天
The Power of Special Cause Variation: Learning from Process Changes
A special cause is a signal that the process outcome is changing — and not always for the better. A control chart can show ...