chaserChallenge.js

//orders the item in an array of object by their ranking in ascending order
function sort(data) {
  return data.sort((a, b) => {
    return a.ranking - b.ranking;
  });
};
//find the average  ranking present in an array of object;
function average(data) {
  return (
    data.reduce((prev, curr) => {
      return prev + curr.ranking;
    }, 0) / data.length
  );
};