How to Perform a Standard Deviation IF Calculation in Excel


You can use the following formulas to perform a standard deviation IF calculation in Excel:

Method 1: Standard Deviation IF (One Criteria)

=STDEV(IF(A:A="Value",C:C))

This formula calculates the standard deviation of values in column C where the values in column A are equal to “Value.”

Method 2: Standard Deviation IF (Multiple Criteria)

=STDEV(IF((A:A="Value1")*(B:B="Value2"),C:C,""))

This formula calculates the standard deviation of values in column C where the values in column A are equal to “Value1” and the values in column B are equal to “Value2.”

The following examples show how to use each formula in practice.

Example 1: Calculate Standard Deviation IF (One Criteria)

We can use the following formula to calculate the standard deviation of the values in the Points column where the value in the Team column is equal to “Mavs”:

=STDEV(IF(A:A="Mavs",C:C))

The following screenshot shows how to use this formula in practice:

standard deviation IF formula in Excel

The standard deviation of Points for the rows where Team is equal to “Mavs” is 7.3326.

Example 2: Calculate Standard Deviation IF (Multiple Criteria)

We can use the following formula to calculate the standard deviation of the values in the Points column where the value in the Team column is equal to “Mavs” and the value in the Position column is equal to “Guard”:

=STDEV(IF((A:A="Mavs")*(B:B="Guard"),C:C,""))

The following screenshot shows how to use this formula in practice:

Excel standard deviation IF formula with multiple criteria

The standard deviation of Points for the rows where Team is equal to “Mavs” and Position is equal to “Guard” is 5.5603.

Related: STDEV.P vs. STDEV.S in Excel: What’s the Difference?

Additional Resources

The following tutorials explain how to perform other common tasks in Excel:

How to Calculate a Five Number Summary in Excel
How to Calculate the Mean and Standard Deviation in Excel
How to Calculate the Interquartile Range (IQR) in Excel

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