find average of array code example
Example 1: how to calculate average of array in javascript
const arrAvg = arr => arr.reduce((a,b) => a + b, 0) / arr.length
Example 2: average of an array js
const avg = arr => {
const sum = arr.reduce((acc, cur) => acc + cur);
const average = sum/arr.length;
return average;
}
console.log(avg([1, 2, 3, 7, 8]));
Example 3: find average of numbers in array java
public class JavaExample {
public static void main(String[] args) {
double[] arr = {19, 12.89, 16.5, 200, 13.7};
double total = 0;
for(int i=0; i<arr.length; i++){
total = total + arr[i];
}
double average = total / arr.length;
System.out.format("The average is: %.3f", average);
}
}
Example 4: getting average of array javascript
var total = 0;
for(var i = 0; i < grades.length; i++) {
total += grades[i];
}
var avg = total / grades.length;