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A standard deviation value tells you how much the dataset deviates from the mean value. Learn to calculate standard deviation in Excel.
This wikiHow shows you how to find the standard deviation of a dataset in Microsoft Excel. Whether you’re studying for statistics, analyzing data at work, or just researching something for fun, calculating a standard deviation is essential.
This page explains how to calculate the standard deviation based on the entire population using the STDEV.P function in Excel and how to estimate the standard deviation based on a sample using the STDEV.S function in Excel.
Estimates standard deviation based on a sample. The standard deviation is a measure of how widely values are dispersed from the average value (the mean).
Standard deviation is a measure of how much variance there is in a set of numbers compared to the average (mean) of the numbers. To calculate standard deviation in Excel, you can use one of two primary functions, depending on the data set.
The STDEV function is one of the oldest standard deviation functions of Excel. It is available in Excel 2003 and all later versions up to Excel 2019. The syntax of the STDEV function reads as: = STDEV (number1, [number2], …) It can accept up to 255 arguments that can be numbers, references to cells, or arrays.
How to find standard deviation in Excel. Functions to calculate sample standard deviation; Functions to get population standard deviation; Formula examples to calculate standard deviation in Excel; How to add standard deviation error bars; Standard deviation vs. standard error