Calculate median of data
npm install stats-median> Calculate median of data.
``sh`
$ npm install stats-median
`js
var median = require('stats-median');
var data = [3, 6, 7, 8, 8, 10, 13, 15, 16, 20];
median.calc(data); // → 9
`
#### calc(data)
##### data
Type: array`
The data to be analysed; an array of numbers.