tatistics don’t make sense on some kinds of data. For example, imagine that we were to collect postal Zip Code data from a number of individuals. Those numbers are represented as integers, but they don’t actually refer to a numeric scale; each zip code basically serves as a label for a different region. For this reason, it wouldn’t make sense to talk about the average zip code, for example.</p>
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<div id="what-makes-a-good-measurement" class="section level2 hasAnchor" number="2.3">
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