h-samples.html"><a href="ch-samples.html#sec:systematic-samples"><i class="fa fa-check"></i><b>7.2</b> Systematic samples</a></li>
<li class="chapter" data-level="7.3" data-path="ch-samples.html"><a href="ch-samples.html#sec:random-samples"><i class="fa fa-check"></i><b>7.3</b> Random samples</a>
<ul>
<li class="chapter" data-level="7.3.1" data-path="ch-samples.html"><a href="ch-samples.html#spss"><i class="fa fa-check"></i><b>7.3.1</b> SPSS</a></li>
<li class="chapter" data-level="7.3.2" data-path="ch-samp