i>
<li class="chapter" data-level="1.4" data-path="intro.html"><a href="intro.html#exploring-and-describing-data"><i class="fa fa-check"></i><b>1.4</b> Exploring and describing data</a><ul>
<li class="chapter" data-level="1.4.1" data-path="intro.html"><a href="intro.html#summary-statistics"><i class="fa fa-check"></i><b>1.4.1</b> Summary statistics</a></li>
<li class="chapter" data-level="1.4.2" data-path="intro.html"><a href="intro.html#visual-exploration"><i class="fa fa-check"></i><b>1.4.2</b> Visual exp