| Calling Sequence
| var(L1,L2,...)
|
| Parameters
| | Name | Type | Description |
|
| Li
| {numeric,list(numeric)} | a number or list of numbers |
|
| Return Type
| numeric |
| Synopsis
| Finds the variance of all the values in the arguments.
This is an unbiased estimator of the variance, that is it is computed
with the formula: (sum(x^2) - sum(x)^2/n) / (n-1), where n is the
number of x values. This function needs at least two values to
compute successfully |
| Examples
| > var(5, 97, 22, [14,15,16] );
1166.9667
> var(2,3,5,7,11,13,17,19);
40.8393
|
| See also
| avg, max, median, min, std |