Question

Modify the function to return the average age of everyone in the people array, rounded to the nearest integer.

function getRoundedAverageAge(people) {

}

/* Do not modify code below this line */

const examplePeopleArray = [
{ name: 'John', age: 19 },
{ name: 'Jack', age: 21 },
{ name: 'Jane', age: 22 }
];

console.log(getRoundedAverageAge(examplePeopleArray), '<-- should be 21');

Answer 1

Here is the completed code for this problem. Comments are included, go through it, learn how things work and let me know if you have any doubts or if you need anything to change. If you are satisfied with the solution, please rate the answer. Thanks

function getRoundedAverageAge(people) {

    //declaring sum to 0

    var sum=0;

    //looping through the array

    for(var i=0;i<people.length;i++){

      //adding age of current person to sum

      sum+=people[i].age;

    }

    //finding average age

    var avg=sum/people.length;

    //rounding to nearest integer and returning it

    return Math.round(avg);

}

/* Do not modify code below this line */

const examplePeopleArray = [

{ name: 'John', age: 19 },

{ name: 'Jack', age: 21 },

{ name: 'Jane', age: 22 }

];