Aggregates

In the math built-in module there are a few aggregate functions useful for calculating statistics. There is mean for calculating the arithmetic mean of a set. Since this function belongs to the math module, the module name needs to be specified when calling it:

Input

There are stddev and stddev_pop for calculating the sample and population standard deviation, respectively. Similarly, there are var and var_pop for calculating sample and population variance. Try them out:

Input
Input