Special cause variation, I love to see it! That’s because I know I’m about to learn something important about my process. A ...
2 types of variation and how we distinguish between common and special cause variation, along with how to create a rational subgroup. We also cover the equations and constants for the X-bar and R ...
Common cause vs. special cause variation, aren’t they the same thing? At first glance, you’d be allowed to think so. However, ...