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# STDEVP function

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

## Syntax

STDEVP(number1,number2,...)

Number1,number2,...     are 1 to 30 number arguments corresponding to a population.

## Remarks

• Logical values such as TRUE and FALSE and text are ignored. If logical values and text must not be ignored, use the STDEVPA spreadsheet function.

• STDEVP assumes that its arguments are the entire population. If your data represents a sample of the population, then compute the standard deviation using STDEV.

• For large sample sizes, STDEV and STDEVP return approximately equal values.

• The standard deviation is calculated using the "biased" or "n" method.

• STDEVP uses the following formula:

## Example

St1

St2

St3

St4

St5

St6

St7

St8

St9

St10

Formula

Description (Result)

1345

1301

1368

1322

1310

1370

1318

1350

1303

1299

=STDEVP([St1], [St2], [St3], [St4], [St5], [St6], [St7], [St8], [St9], [St10])

Standard deviation of breaking strength, assuming only 10 tools are produced (26.05455814)