STDEVP

Microsoft Office Spreadsheet Functions

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STDEVP

See Also

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. You can also use a single array or a reference to an array instead of arguments separated by commas.

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:

    Formula

Example

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

How?

Strength
1345
1301
1368
1322
1310
1370
1318
1350
1303
1299
Formula Description (Result)
=STDEVP(A2:A11) Standard deviation of breaking strength, assuming only 10 tools are produced (26.05455814)