This function calculates the cumulative sample standard deviation. It uses the following formula: SQRT(Var_Samp(X)).
Syntax:
Stddev_Samp(Expression)
Parameter:
Expression. Type: Number.
Return value: Number.
Example:
X |
Y |
1 |
7 |
2 |
1 |
3 |
2 |
4 |
5 |
5 |
7 |
6 |
34 |
7 |
32 |
8 |
43 |
9 |
87 |
SELECT Stddev_Samp(Y) FROM Table
Result:
28.3847573
Next page: Var_Samp