Merge pull request DataScienceSpecialization#21 from jaysonvirissimo/patch-4

fixed date

Author: jtleek

01_DataScientistToolbox/03_04_experimentalDesign/index.html

@@ -227,7 +227,7 @@ <h2>Randomization and blocking</h2>
 <li>If you can (and want to) fix a variable
 
 <ul>
-<li>Website always says Obama 2014 on it</li>
+<li>Website always says Obama 2012 on it</li>
 </ul></li>
 <li>If you don&#39;t fix a variable, stratify it
 
@@ -521,4 +521,4 @@ <h2>Summary</h2>
   <script>hljs.initHighlightingOnLoad();</script>
   <!-- DONE LOADING HIGHLIGHTER JS FILES -->
 
-  </html>
+  </html>