# STDEVPA

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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.

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

St1

St2

St3

St4

St5

St6

St7

St8

St9

St10

Formula

Description (Result)

1345

1301

1368

1322

1310

1370

1318

1350

1303

1299

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

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

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