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.

Statistics uses small samples to predict how phenomena behave in the real world. Many management tools with the aim of maximizing efficiency (ex: Six Sigma) attempt to decrease variances using a ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...