pan class="keyword">double</span> <span class="identifier">M</span><span class="special">,</span>          <span class="comment">// M = true mean.</span>
   <span class="keyword">double</span> <span class="identifier">Sm</span><span class="special">,</span>         <span class="comment">// Sm = Sample Mean.</span>
   <span class="keyword">double</span> <span class="identifier">Sd</span><span class="special">)</span>         <span class="comment">// Sd = Sample Standard Deviation.</span>
<span class="special