title: Filter on Array and create new objects
body: <p>Supposing this array: </p>
  
  <pre><code>var studends = [("Marc", 404), ("Paul", 450), ("Steve", 490), ("Jar", 500), ("Niels", 520), ("Marco", 540), ("Sacha", 560), ("Mike", 500), ("Ted", 520), ("Ammar", 540), ("Rolph", 560), ("Brian", 590), ("Jeff", 600), ("John", 650), ("Mickael", 890)]
  </code></pre>
  
  <p>How to filter the array and create new objects based on notes segmentation as below : </p>
  
  <pre><code>object A +/- 10% of 500
  object B +/- 20% of 500
  object C +/- 30% of 500
  object D +/- 40% of 500
  </code></pre>