Excel STDEV.P Function
If you want to follow along with this tutorial, please download the example spreadsheet.
Description
The Excel STDEV.P function returns standard deviation based on the entire population. It can be used to measure how widely values are dispersed from the mean value.
Syntax and arguments
Formula syntax
Arguments
|
Return Value
The STDEV.P function returns a numeric value.
Remark
1. STDEV.P function’s arguments are the entire population, if the data represents a sample of population, STDEV.S function may be rather appropriate.
2. STDEV.P function using the “n” method to calculate.
3. Arguments can either be numbers or names, arrays or references that contain numbers.
4. Logical values and text representations of numbers that are directly typed into the list of arguments are counted.
5. If arguments are arrays or references, only numeric values are counted in the function, while empty cells and texts of error values are ignored.
6. STDEV.P function uses the equation as below:
Where
X is the sample mean, n is the sample size.
Version
Excel 2010 and later
Usage and Examples
Example: Basic Usage
There is a column B4:B8 containing a population of data. To get the standard deviation, please use formula as below:
=STDEV.P(B4:B8)
Or you can directly type the data as an array in the formula
=STDEV.P({10,22,30,41,37})
Press Enter key to get the standard deviation.
Standard Deviation Functions in Excel
Function | Data Set | Text annd Logicals |
STDEV | Sample | Ignored |
STDEV.S | Sample | Ignored |
STDEVP | Population | Ignored |
STDEV.P | Population | Ignored |
STDEVA | Sample | Evaluated |
STDEVPA | Population | Evaluated |
Relative Functions:
Excel STDEV Function
The Excel STDEV function returns standard deviation based on a given sample of data.
Excel PERCENTRANK.EXC Function
The Excel PERCENTRANK.EXC returns the rank of a value in a data set as a percentage (excludes 0 and 1) of the data set.
Excel PERCENTRANK.INC Function
The Excel PERCENTRANK.INC function returns the rank of a value in a data set as a percentage (includes 0 and 1) of the data set.
Excel PERMUT Function
The Excel PERMUT function returns the number of permutations of a given number of objects from a set of objects.
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