actorial-a4"><span class="header-section-number">15.0.4</span> Activity 4: Interaction plots</a></li>
<li><a class="nav-link" href="#factorial-a5"><span class="header-section-number">15.0.5</span> Activity 5: ANOVA</a></li>
<li><a class="nav-link" href="#factorial-a6"><span class="header-section-number">15.0.6</span> Activity 6: Assumption checking</a></li>
<li><a class="nav-link" href="#factorial-a7"><span class="header-section-number">15.0.7</span> Activity 7: Post-hoc tests</a></li>
<li><a class="nav-lin