StdDev

Syntax

StdDev(Year1, Value1, Year2, Value2,... YearN, ValueN) or
StdDev(ExcelFile, ExcelRange)
StdDev(Branch:Variable)

See also: Using Time-Series Functions and Specifying Excel File and Range Parameters

Summary

Calculates the standard deviation of  the values in a time-series expression: the square root of the average of the squares of deviations about the mean of the data. Standard deviation is a statistical measure of spread or variability.