STDEVPA

See Also

Calculates standard deviation based on the entire population given as arguments, including text and logical values. The standard deviation is a measure of how widely values are dispersed from the average value (the mean).

Syntax

STDEVPA(value1,value2, ...)

Value1,value2,... are 1 to 30 values corresponding to a population. You can also use a single array or a reference to an array instead of arguments separated by commas.

Remarks

STDEVPA assumes that its arguments are the entire population. If your data represents a sample of the population, you must compute the standard deviation using STDEVA.
Arguments that contain TRUE evaluate as 1; arguments that contain text or FALSE evaluate as 0 (zero). If the calculation must not include text or logical values, use the STDEVP spreadsheet function instead.
For large sample sizes, STDEVA and STDEVPA return approximately equal values.
The standard deviation is calculated using the "biased" or "n" method.
STDEVPA uses the following formula:

Example

The example may be easier to understand if you copy it to a blank spreadsheet.

Show How?

Create a blank spreadsheet.
Select the example in the Help topic.

Selecting an example from Help
Press CTRL+C.
In the spreadsheet, select cell A1, and press CTRL+V.
To switch between viewing the formula that returns the result and the result in the cell, select the cell and press F2 and then ENTER, or click Commands and Options on the spreadsheet toolbar, click the Formula tab, and look in the Formula in active cell (active cell) box.

Strength
1345
1301
1368
1322
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Formula	Description (Result)
=STDEVPA(A2:A11)	Standard deviation of breaking strength, assuming only 10 tools are produced (26.05455814)