Files
JavaScript/Maths/AverageMean.js
Ephraim Atta-Duncan e112434dee Add tests to Math (#423)
* Add prettier config

* test: add test to check for absolute function

* chore: es5 to es6

* test: add test to check mean function

* test: add test for sum of digit

* test: add test for factorial

* test: add test for fibonnaci

* test: add test for find HCF

* test: add test for lcm

* test: add gridget test

* test: add test for mean square error

* test: add test for modular binary exponentiation

* test: add tests for palindrome

* test: add test for pascals triangle

* test: add tests for polynomial

* test: add tests for prime check

* test: add tests for reverse polish notation

* test: add tests for sieve of eratosthenes

* test: add tests for pi estimation monte carlo method

* chore: move tests to test folder

* chore: fix standardjs errors
2020-10-12 01:17:49 +05:30

30 lines
647 B
JavaScript

'use strict'
/*
author: PatOnTheBack
license: GPL-3.0 or later
Modified from:
https://github.com/TheAlgorithms/Python/blob/master/maths/average.py
This script will find the average (mean) of an array of numbers.
More about mean:
https://en.wikipedia.org/wiki/Mean
*/
const mean = (nums) => {
// This is a function returns average/mean of array
let sum = 0
// This loop sums all values in the 'nums' array using forEach loop
nums.forEach(function (current) {
sum += current
})
// Divide sum by the length of the 'nums' array.
const avg = sum / nums.length
return avg
}
export { mean }