How to calculate Standard Deviation in Excel The Standard Deviation is a term used in statistics. The term describes how much the numbers if a set of data vary from the mean.

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 ...

How to Calculate a Trimmed Mean in Excel. A trimmed mean is much like a standard mean, which you can derive in Excel using the AVERAGE function. However, instead of using all of the data points to ...

In this post, we show you how to add error bars to a Microsoft Excel spreadsheet. You can use Error bars for standard deviation & trending margin of error.