add total arr val

JS/index.js

-function getRandomNumber() { return Math.round(Math.random() * 99) };
-
-function showResult(arr) {
-    alert(
-        `
-            Group 0 - 9: ${arr[0]}
-            Group 10 - 19: ${arr[1]}    
-            Group 20 - 29: ${arr[2]}    
-            Group 30 - 39: ${arr[3]}    
-            Group 40 - 49: ${arr[4]}    
-            Group 50 - 59: ${arr[5]}    
-            Group 60 - 69: ${arr[6]}    
-            Group 70 - 79: ${arr[7]}    
-            Group 80 - 89: ${arr[8]}    
-            Group 90 - 99: ${arr[9]}    
-        `
-    );
-};
+// function getRandomNumber() { return Math.round(Math.random() * 99) };
+
+// function showResult(arr) {
+//     alert(
+//         `
+//             Group 0 - 9: ${arr[0]}
+//             Group 10 - 19: ${arr[1]}    
+//             Group 20 - 29: ${arr[2]}    
+//             Group 30 - 39: ${arr[3]}    
+//             Group 40 - 49: ${arr[4]}    
+//             Group 50 - 59: ${arr[5]}    
+//             Group 60 - 69: ${arr[6]}    
+//             Group 70 - 79: ${arr[7]}    
+//             Group 80 - 89: ${arr[8]}    
+//             Group 90 - 99: ${arr[9]}    
+//         `
+//     );
+// };
+
+// function counterGroup(arr, num) {
+//     if(num >= 0 && num <= 9) {
+//         arr[0]++;
+//     } else if(num >= 10 && num <= 19) {
+//         arr[1]++;
+//     } else if(num >= 20 && num <= 29) {
+//         arr[2]++;
+//     } else if(num >= 30 && num <= 39) {
+//         arr[3]++;
+//     } else if(num >= 40 && num <= 49) {
+//         arr[4]++;
+//     } else if(num >= 50 && num <= 59) {
+//         arr[5]++;
+//     } else if(num >= 60 && num <= 69) {
+//         arr[6]++;
+//     } else if(num >= 70 && num <= 79) {
+//         arr[7]++;
+//     } else if(num >= 80 && num <= 89) {
+//         arr[8]++;
+//     } else if(num >= 90 && num <= 99) {
+//         arr[9]++;
+//     };
+// };
+
+// const groupArr = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
+
+// for(let i = 0; i <= 100000; i++) {
+//     counterGroup(groupArr, getRandomNumber());
+// };
+
+// showResult(groupArr);
 
-function counterGroup(arr, num) {
-    if(num >= 0 && num <= 9) {
-        arr[0]++;
-    } else if(num >= 10 && num <= 19) {
-        arr[1]++;
-    } else if(num >= 20 && num <= 29) {
-        arr[2]++;
-    } else if(num >= 30 && num <= 39) {
-        arr[3]++;
-    } else if(num >= 40 && num <= 49) {
-        arr[4]++;
-    } else if(num >= 50 && num <= 59) {
-        arr[5]++;
-    } else if(num >= 60 && num <= 69) {
-        arr[6]++;
-    } else if(num >= 70 && num <= 79) {
-        arr[7]++;
-    } else if(num >= 80 && num <= 89) {
-        arr[8]++;
-    } else if(num >= 90 && num <= 99) {
-        arr[9]++;
-    };
-};
 
-const groupArr = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
+const groupArr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
+let total = 0;
 
-for(let i = 0; i <= 100000; i++) {
-    counterGroup(groupArr, getRandomNumber());
+for(let i = 0; i < groupArr.length; i++) {
+    total += groupArr[i];
 };
 
-showResult(groupArr);
\ No newline at end of file
+console.log(total / groupArr.length);
\ No newline at end of file