STDEV

STDEV(number1 [,number2] [..])

Returns the standard deviation based on a sample.

number1	The first number.
number2	(Optional) The second number.

REMARKS

* STDEV.S was added in Excel 2010 to replace this function.
* The standard deviation is a measure of how widely values are dispersed from the average (or mean) value.
* Arguments that are text or logical values are ignored.
* You can have a maximum of 30 arguments.
* You can use the STDEVA function to count any arguments that are text or logical values.
* You can use the STDEV.P function to
* For the Microsoft documentation refer to support.microsoft.com
* For the Google documentation refer to support.google.com

	A
1	=STDEV(10,20,30,40) = 12.910
2	=STDEV(1,2,3) = 1.000
3	=STDEV(900000001,900000002,900000003) = 1.000