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.

Calculating the standard deviation and T-Value against that data set results in a realistic range against the historic data.

Learn the standard deviation formula, how to calculate it, and its importance in data analysis. Step-by-step guide with examples.

Explore the importance of robust statistics like median and MAD in data analysis, ensuring accurate insights despite outliers ...

For example, if the range of data is in cells A2 through A13, type "=STDEV (A2:A13)" to calculate standard deviation.

Learn the difference between the standard error of the mean and the standard deviation and how each is used in statistics and finance.