How do you know what the y and x values are?

The “Y” is the main measure of what you’re trying to improve. When conducting process improvement, you’re trying to understand the root causes or “X”s that influence “Y.” On a Box Plot, the “X”s are the different columns or “stratifications” of”Y.” In the Webinar the “Y” was breakage and the “Xs” were the different shifts. In…