Document Solutions for Excel, .NET Edition Overview
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- Statistical Functions
  - AVEDEV
  - AVERAGE
  - AVERAGEA
  - AVERAGEIF
  - AVERAGEIFS
  - BETA.DIST
  - BETA.INV
  - BINOM.DIST
  - BINOM.DIST.RANGE
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  - CHISQ.DIST
  - CHISQ.DIST.RT
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  - CHISQ.TEST
  - CONFIDENCE.NORM
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  - COUNT
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  - COVARIANCE.P
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  - DEVSQ
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  - F.INV
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  - F.TEST
  - FISHER
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  - FREQUENCY
  - GAMMA
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  - MODE.MULT
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  - NEGBINOM.DIST
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  - NORM.S.DIST
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  - PEARSON
  - PERCENTILE.EXC
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  - PERCENTRANK.EXC
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  - PHI
  - POISSON.DIST
  - PROB
  - QUARTILE.EXC
  - QUARTILE.INC
  - RANK.AVG
  - RANK.EQ
  - RSQ
  - SKEW
  - SKEW.P
  - SLOPE
  - SMALL
  - STANDARDIZE
  - STDEV.P
  - STDEV.S
  - STDEVA
  - STDEVPA
  - STEYX
  - T.DIST
  - T.DIST.2T
  - T.DIST.RT
  - T.INV
  - T.INV.2T
  - T.TEST
  - TREND
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  - VAR.P
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  - VARA
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  - WEIBULL.DIST
  - Z.TEST
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API Reference
Release Notes

STDEV.P

This function returns the standard deviation for an entire specified population (of numeric values).

Syntax

STDEV.P(value1, [value2], ...)

Arguments

This function has these arguments:

Argument	Description
value1	[Required] The first value argument corresponding to a population
value2	[Optional] Value arguments 2 to 254 corresponding to a population. You can also use a single array or a reference to an array instead of arguments separated by commas

Remarks

The standard deviation is a measure of how widely values are dispersed from the average value. If your data represents a sample of the population, then compute the standard deviation using the STDEV function.

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

Logical values and text representations of numbers that are typed into the list of arguments are counted. If an argument is an array or reference, only numbers in that array or reference are counted. Empty cells, error values, logical values, or text in the array or reference are ignored.

The equation for calculating the standard deviation for a population is:

where x is the sample mean, AVERAGE(number1,number2,…), and n is the number of values.

Examples

STDEV.P(A1,B2,C3,D4,E5,F6)

STDEV.P(A1:A9)

STDEV.P(R1C2,R3C4,R4C5,R7C2)

STDEV.P(95,89,73,87,85,76,100,96,96) gives the result 8.80796497