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How to calculate standard deviation in Excel

One of the fundamental operations of statistical analysis is calculating the standard deviation of a data set. In this article, we're going to show you how to calculate standard deviation in Excel using the STDEV.S and STDEV.P functions. Syntax =STDEV.S(...

How to calculate mean in Excel

Calculating the mean of numbers is one of staples of statistical analysis processes. In this article, we're going to show you how to calculate mean in Excel using the AVERAGE formula. Syntax =AVERAGE( array of numbers ) Steps Begin by creating the formula...

How to create a multi-level Excel lookup

VLOOKUP, HLOOKUP or their predecessor LOOKUP are Excel's most famous lookup functions. However, these functions can search a value only in a single dimension, meaning that you can't search horizontally and vertically. Unfortunately, there are no formulas...