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<p>A <em>discrete</em> measurement is one that takes one of a finite set of particular values. These could be qualitative values (for example, different breeds of dogs) or numerical values (for example, how many friends one has on Facebook). Importantly, there is no middle ground between the measurements; it doesn’t make sense to say that one has 33.7 friends.</p>
<p>A <em>continuous</em> measurement is one that is defined in terms of a real number. It could fall a