This article was originally published on Built In by Eric Kleppen. Variance is a powerful statistic used in data analysis and machine learning. It is one of the four main measures of variability along ...

The percentage difference is usually calculated when you want to know the difference in percentage between two numbers. Microsoft Office Excel is a great tool to help you get started. In this post, we ...

Cost and schedule variance data are part of earned value analysis, which is a tool that small and large businesses use as an early-warning system to identify and manage problems in ongoing projects.