ss="w"> </span><span class="n">X</span><span class="w"> </span><span class="p">,</span><span class="w"> </span><span class="n">Y</span><span class="w"> </span><span class="p">,</span><span class="w"> </span><span class="n">ybar</span><span class="w"> </span><span class="p">,</span><span class="w"> </span><span class="n">yint</span><span class="w"> </span><span class="p">,</span><span class="w"> </span><span class="n">yslope</span>
<span class="kt">INTEGER </span><span class="n">i</span><span class="w"> </sp