import { rootMeanSquare } from "https://deno.land/x/statistics@v0.1.1/mod.ts";
The Root Mean Square (RMS) is
a mean function used as a measure of the magnitude of a set
of numbers, regardless of their sign.
This is the square root of the mean of the squares of the
input numbers.
This runs on O(n)
, linear time in respect to the array