Excel Function : STDEVA
Estimates standard deviation based on a sample, including numbers, text, and logical values
Microsoft Excel Reference Page
Syntax and Description of the STDEVA Excel Function
The syntax for the STDEVA function in Microsoft Excel is: STDEVA(number1,[number2],...) The arguments for the function are a list of 1 or more numbers that you want to calculate the standard deviation for.
About STDEVA Excel Function
STDEVA(number1,number2,...) The STDEVA function calculates the standard deviation of a population based on a sample of numbers.