The interquartile mean is a measure of central tendency. While all values in a data set are used to calculate the mean, only the interquartile range -- the central portion of a data set -- is used to ...

Excel spreadsheets are a daunting affair for many. And indeed, when you are confronting dozens of rows and columns comprising hundreds if not thousands of cells filled with all sorts of data, it's ...

While Excel is useful for many applications, it is an indispensable tool for those managing statistics. Two common terms used in statistics are Standard Deviation and ...

Microsoft Excel doesn't inherently possess a percentage function, but a simple formula can calculate the required figure for your business. However, Excel cannot recognize a percentage formula, which ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Robert Kelly is managing director of XTS Energy LLC ...