import { rms } from "https://deno.land/x/simplestatistics@v7.7.5/index.js";
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 in O(n), linear time, with respect to the length of the array.