s
weight in analysis should drag the line up towards the rest of the data.
It makes sense that CIs are narrower because outliers make variances and
covariances inefficient estimators, so by using a method that can better
handle outliers we can get more precise estimates.</p>
</div>
<div class="section level2">
<h2 id="exercise-13-3-outlier-sensitivity-for-the-brain-body-mass-data">Exercise 13.3: Outlier sensitivity for the brain-body mass data<a class="anchor" aria-label="anchor" href="#exercise-13-3-outlie