rking-with-data.html#learning-objectives-1" class="anchor-section" aria-label="Anchor link to header"></a></h2>
<p>Having read this chapter, you should be able to:</p>
<ul>
<li>Distinguish between different types of variables (quantitative/qualitative, binary/integer/real, discrete/continuous) and give examples of each of these kinds of variables</li>
<li>Distinguish between the concepts of reliability and validity and apply each concept to a particular dataset</li>
</ul>
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