Excel Function : STDEV.P
Calculates standard deviation based on the entire population
Microsoft Excel Reference Page
Syntax and Description of the STDEV.P Excel Function
STDEV.P is an Excel function that returns the standard deviation of a population based on a sample of data.
About STDEV.P Excel Function
The STDEV.P function in Excel calculates the standard deviation of a population based on a sample of data. The standard deviation is a measure of how spread out the data is. The STDEV.P function returns the population standard deviation, which is the square root of the variance.