function findAverage(arr) { let sum = arr.reduce((acc, curr) => acc + curr, 0); return sum / arr.length; }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]));const scores = [ 20, 50, 75, 100, 115 ]; let total = 0; for ( let i = 0; i < scores.length; i++ ) { total += scores[i]; } console.log( total / scores.length ); const numbers = [3,4,5,2,4,6,78,53,2,1,2]; const sum = numbers.reduce((a,c) => a + c, 0); const avg = sum / numbers.length; console.log(avg);const getAverage = (arr) => arr.reduce((sum, num) => sum + num, 0) / arr.length; const arr = [5, 13, 9, 11, 10, 15, 7]; const average = getAverage(arr); console.log(average); // 10var sum = array.reduce((a, b) => a + b, 0); //get sum of all elements in array var avg = (sum / array.length) || 0; //get average of all elements in array ;)var total = 0; for(var i = 0; i < grades.length; i++) { total += grades[i]; } var avg = total / grades.length; // How to find average of array elements in javascript const arr = [1,2,3,4,5]; const averageArray = arr.reduce( (a,b) => a + b)/arr.length; console.log(averageArray); // Output: 3const average = (...args) => args.reduce((a, b) => a + b) / args.length; average(1, 2, 3, 4); // Result: 2.5 const sum = times.reduce((a, b) => a + b, 0); const avg = (sum / times.length) || 0; console.log(`The sum is: ${sum}. The average is: ${avg}.`);function calculateAverage(numbers) { let sum = 0; for (let i = 0; i < numbers.length; i++) { sum += numbers[i]; } return sum / numbers.length; } const numberArray = [10, 20, 30, 40, 50]; // Example array of numbers const average = calculateAverage(numberArray); console.log(`The average is: ${average}`);