In statistics, quartiles are a method of breaking up a set of numbers into four equal parts. While this concept may seem simple, it actually requires some in-depth calculations to determine the exact ...

One of the fundamental principles guiding investors in private equity has been that of persistence of performance. If investors want to back a top-quartile fund, and they all do, a good starting point ...

Visualization methods enhance our understanding of sample data and help us make comparisons across samples. Box plots are a simple but powerful graphing tool that can be used in place of histograms to ...