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.

Excel enables users to perform statistical functions such as STDEV, which calculates standard deviation based on a sample. In statistics, a standard deviation is a measure of the amount of ...

The standard deviation formula for a sample is almost the same as the formula for a population, except you subtract N by 1 in the denominator, so it's: σ = √ (Σ (xi - μ)² / N-1).

Calculating standard deviation manually can be time-consuming and complex. Excel's STDEV formula can automatically calculate the standard deviation of any set of numbers, so you don't have to go ...

For example, if your mean is in cell A2, population mean in cell B2, standard deviation in cell C2, square root of degrees of freedom in E2, type the formula as = (A2-B2)/ (C2/E2) to generate the ...