ineno">  304</span>&#160;<span class="comment">!           return</span></div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;<span class="comment">!       end if</span></div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;<span class="comment">!       </span></div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;<span class="comment">!       mean = this.mean()</span></div>
<div class="line"><a name="l00308"></a><spa