A Box-Cox Power Transformation allows you to transform data to match a normal distribution. It is not a guarantee of normality. It is a quick way of transforming data to better fit a control chart.

There is a long standing belief in business that people performance follows the Bell Curve (also called the Normal Distribution). This belief has been embedded in many business practices: performance ...

Choosing the right way to visualize your data makes the difference between telling a clear, compelling story or creating cognitive overload. Here's how to pick. Data is best understood when presented ...