4 class="subsubheading" id="Source-66"><span>Source<a class="copiable-link" href="#Source-66"> &para;</a></span></h4>

<p>Dawson, Robert J. MacG. (1995). The ‘Unusual Episode’ Data Revisited.
<cite class="cite">Journal of Statistics Education</cite>, 3.
</p>
<p>The source provides a data set recording class, sex, age, and survival status
for each person on board of the Titanic, and is based on data originally
collected by the British Board of Trade and reprinted in:
</p>
<p>British Board of Trade (1990)