 class="k">If</span> <span class="nv">INVALS</span> <span class="nv">contains</span> <span class="nv">an</span> <span class="nv">even</span> <span class="nv">number</span>
            <span class="nv">of</span> <span class="nv">elements</span> <span class="nv">the</span> <span class="nv">value</span> <span class="nv">is</span> <span class="nv">the</span> <span class="nv">average</span> <span class="nv">of</span> <span class="nv">the</span>
            <span class="nv">two</span> <span class="s2">&quot;</spa