JSFiddle - React, Tailwind, and code Playground

by happydeveloper

HTML

<!DOCTYPE html>
<script>
  'use strict';

  var X = [3, 4, 10, 25];

  function E(x) {
    var sum = 0; //summation
    var n = x.length; //element cnt
    for (var i = 0; i < n; i++)
      sum = sum + x[i];

    return sum / n; //average
  }
  // display average
  
  document.write('m  평균 = ' + E(X) + '<br />');
  document.write('d1 편차 = ' + (X[0] - E(X)) + '<br />');
  document.write('d2 편차 = ' + (X[1] - E(X)) + '<br />');
  document.write('d3 편차 = ' + (X[2] - E(X)) + '<br />');
  document.write('d4 편차 = ' + (X[3] - E(X)) + '<br />');
  
</script>