My last article demonstrated a common incorrect technique—based in “traditional” statistics—for comparing performances based on percentage rates. This a

Up until a few years ago, I wasn’t a big fan of run charts. Why not just go ahead and construct a process behavior chart and move on? Well, sometimes a run chart is more appropriate for certain data structures.

The word “kurtosis” sounds like a painful, festering disease of the gums. But the term actually describes the shape of a data distribution.

Shortly after the death of the brilliant comedian and actor Robin Williams, his daughter Zelda quit Twitter and Instagram following online harassment over his death. How sad. We seem to somehow like to see the dark side of the world.

Employees want feedback that is meaningful and relevant to them, but often what they hear sounds like it’s been taken verbatim from one of those phrase books using stock comments like, “Mary is a team player and consistently thinks of others.”