JSFiddle - React, Tailwind, and code Playground

HTML

<body>

</body>

JavaScript

const values = []
const tests = 1000


const standardDeviation = (values) => {
  const avg = values.reduce((a, b) => { return a + b })/values.length
  
  const squareDiffs = values.map((value) => {
    const diff = value - avg;
    const sqrDiff = diff * diff
    return sqrDiff
  });
  
  const avgSquareDiff = squareDiffs.reduce((a, b) => { return a + b })/squareDiffs.length

  const stdDev = Math.sqrt(avgSquareDiff);
  return stdDev
}

for (var i = tests - 1; i >= 0; i--) {

  const g_noise = Math.sqrt(-2 * Math.log(Math.random()))*Math.cos((2*Math.PI) * Math.random())
  
  values.push(g_noise)
  
  if(i === 0) {
  	const stDev = standardDeviation(values)
    const mean = values.reduce((a, b) => { return a + b })/tests
    const max =  Math.max(...values)
    const min = Math.min(...values)
    document.body.innerHTML = `<p>stan dev: ${stDev}<br> mean: ${mean}<br> max: ${max}<br> min: ${min}</p>`
  }
}