Name
STDDEV_POP — Returns the population standard deviation.
Synopsis
numeric
STDDEV_POP
(
|
in
expr
any
); |
Description
STDDEV_POP computes the population standard deviation and returns the square root of the population variance. This function is the same as the square root of the VAR_POP function. When VAR_POP returns null, returns null.
Parameters
expr
Number expression.
Return Types
The function returns a value of type NUMERIC. If the function is applied to an empty set, then it returns null.