check"></i><b>13.6.1</b> assumptions</a></li>
<li class="chapter" data-level="13.6.2" data-path="ch-testing.html"><a href="ch-testing.html#sec:ttest-formulas"><i class="fa fa-check"></i><b>13.6.2</b> formulas</a></li>
<li class="chapter" data-level="13.6.3" data-path="ch-testing.html"><a href="ch-testing.html#sec:SPSS-ttest-unpaired"><i class="fa fa-check"></i><b>13.6.3</b> SPSS</a></li>
<li class="chapter" data-level="13.6.4" data-path="ch-testing.html"><a href="ch-testing.html#sec:JASP-ttest-unpaired"><i 