n><span class="mi">3</span><span class="nv">f</span><span class="ss">)</span> <span class="nv">calculates</span> <span class="nv">the</span> <span class="nv">median</span> <span class="nv">value</span> <span class="nv">of</span> <span class="nv">the</span> <span class="nv">array</span> <span class="nv">INVALS</span><span class="ss">()</span>. <span class="nv">It</span> <span class="nv">is</span>
<span class="nv">a</span> <span class="nv">modified</span> <span class="nv">version</span> <span class="nv">of</s