guess_ab_col, benchmarks

docs/reference/skewness.html

@@ -152,6 +152,13 @@ When negative: the left tail is longer; the mass of the distribution is concentr
         Use the G-test
       </a>
     </li>
+    <li>
+      <a href="../articles/benchmarks.html">
+        <span class="fa fa-shipping-fast"></span>
+         
+        Other: benchmarks
+      </a>
+    </li>
   </ul>
 </li>
 <li>