How to Calculate an Interquartile Mean in Excel. 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 ...

How to Calculate T-Value From Mean & Standard Deviation in Excel. Calculate t-values in your Microsoft Excel spreadsheet by combining built-in functions with custom formulas. T-values, also known ...

Percentages aren't always easy to calculate, but one of the best tools in Excel's toolbox is calculating percentages for you. Here's how to do it.

Learn how to calculate the net present value (NPV) of your investment projects using Excel's XNPV function.

A straight ranking result is easy using one of Microsoft Excel’s ranking functions. Calculating a conditional rank is even easier if you let an Excel PivotTable do all the work.