Control charts have two general uses in an improvement project. Undeniably, the most common application is as a tool to ...

Key Points A Box-Cox Power Transformation allows you to transform data to match a normal distribution. It is not a guarantee ...

These are typically captured using a control chart -- a statistical tool used in manufacturing or business to show the extent of the variation in a process.

Time-between-events (TBE) charts or T charts have attracted increasing research interest in statistical process control (SPC). These charts monitor TBE or the time interval T between the events.