e useful tools for thinking about data.</p>
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<div id="aggregation" class="section level3 hasAnchor" number="1.4.2">
<h3><span class="header-section-number">1.4.2</span> Aggregation<a href="introduction.html#aggregation" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>Another way to think of statistics is as “the science of throwing away data”. In the example of the PURE study above, we took more than 100,000 numbers and condensed them into ten. It is this kind of <em>aggrega