e mean</a>
<ul>
<li class="chapter" data-level="13.5.1" data-path="ch-testing.html"><a href="ch-testing.html#sec:formulas13-2"><i class="fa fa-check"></i><b>13.5.1</b> formulas</a></li>
<li class="chapter" data-level="13.5.2" data-path="ch-testing.html"><a href="ch-testing.html#spss-11"><i class="fa fa-check"></i><b>13.5.2</b> SPSS</a></li>
<li class="chapter" data-level="13.5.3" data-path="ch-testing.html"><a href="ch-testing.html#jasp-11"><i class="fa fa-check"></i><b>13.5.3</b> JASP</a></li>
<li class="c