/**
* @function mean
* @description This script will find the mean value of a array of numbers.
* @param {number[]} numbers - Array of integer
* @return {number} - mean of numbers.
* @throws {TypeError} If the input is not an array or contains non-number elements.
* @throws {Error} If the input array is empty.
* @see [Mean](https://en.wikipedia.org/wiki/Mean)
* @example mean([1, 2, 4, 5]) = 3
* @example mean([10, 40, 100, 20]) = 42.5
*/
const mean = (numbers) => {
if (!Array.isArray(numbers)) {
throw new TypeError('Invalid Input')
} else if (numbers.length === 0) {
throw new Error('Array is empty')
}
let total = 0
numbers.forEach((num) => {
if (typeof num !== 'number') {
throw new TypeError('Invalid Input')
}
total += num
})
return total / numbers.length
}
export { mean }