Formulas > =STDEV()

How To Use STDEV() Function in Google Sheets


Calculates the standard deviation based on a sample.

Common questions about the STDEV formula include:

- What does STDEV stand for, and what does it do? 
- How is STDEV different from other statistical analysis formulas? 
- What is the syntax for the STDEV formula?

The STDEV formula can be used appropriately to calculate the standard deviation of a data set, which is a measure of the spread of data values from its mean. When properly used, the STDEV formula accurately describes how far away the values in a data set are from the mean.

The STDEV formula can be commonly mistyped as STEDV or STDV.

Some common ways the STDEV formula is used inappropriately include using it to calculate the average of a data set, or using it for a data set that doesn't make sense (e.g. using the STDEV formula for a single value).

Common pitfalls when using the STDEV formula include incorrectly typing the formula, not understanding the parameters needed for accurate results, not understanding the data set in which the STDEV formula is being used, not properly formatting the cell containing the formula, or not properly closing the parentheses in the formula.

Common mistakes when using the STDEV formula include using it with too few or too many data points, forgetting to label cells in a data set, inputting the wrong data type, incorrectly formatting the data set, or using an incorrect base for the formula.

Common misconceptions people might have with the STDEV formula include thinking that it calculates the average of a data set rather than the standard deviation or using the STDEV formula for data sets with negative values.

How To Actually Use STDEV() in Sheets

STDEV(value1, [value2, ...])

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Learn more about the STDEV() formula:

Google Sheets - Standard Deviation, Variance, Average Deviation Functions Tutorial Sample,Population

Learn how to calculate Sample & Population Standard Deviation, Variance & Average Deviation in Google Sheets using STDEV, STDEVP, VAR, VARP, AVEDEV Statistical Functions and understand exactly what these functions do.

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