Returns the sample standard deviation of the arguments.
Syntax:
STDEV(number1, number2, ... number30)
number1 to number30 are up to 30 numbers or ranges containing numbers.
STDEV returns the standard deviation where number1 to number30 are a sample of the entire population. With N values in the sample, the calculation formula is:
Example:
STDEV(2, 6, 4)
returns 2.