Var_Pop





This function calculates the population variance of a set of numbers after discarding NULL values from this set. It uses the following formula: (Sum(X ^2) - Sum(X)^2/Quantity(X))/(Quantity(X).

Syntax:

Var_Pop(Expression)

Parameter:

Expression. Type: Number

Example:

X

Y

1

7

2

1

3

2

4

5

5

7

6

34

7

32

8

43

9

87

SELECT Var_Pop(Y, X) FROM Table

Result:

716.17284


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