 href="summarizing-data.html#frequency-distributions"><i class="fa fa-check"></i><b>3.2.1</b> Frequency distributions</a></li>
<li class="chapter" data-level="3.2.2" data-path="summarizing-data.html"><a href="summarizing-data.html#cumulative-distributions"><i class="fa fa-check"></i><b>3.2.2</b> Cumulative distributions</a></li>
<li class="chapter" data-level="3.2.3" data-path="summarizing-data.html"><a href="summarizing-data.html#plotting-histograms"><i class="fa fa-check"></i><b>3.2.3</b> Plotting histogr