STDEV.S Function Explained
The STDEV.S Function in Microsoft Excel calculates the standard deviation of a sample set of values. It takes a single argument, which is a set of numeric values or a range of cells containing numeric values, and returns the standard deviation of the sample set.
STDEV.S Function Syntax
STDEV.S(number1, [number2], ...)
number1: The first number or range of numbers for which you want to calculate the standard deviation.number2: (optional) Additional numbers or ranges of numbers for which you want to calculate the standard deviation.