"Sampling and the Census" by Ivars Peterson<br><br>

Science News, 10/11/97, Volume 152, pp. 238-239.<br><br>

This is a nice article which explains why using sampling to enumerate the
population can give more accurate results than trying to count everyone.<br><br>

As of 10/23/97, clicking 
<a href="http://www.sciencenews.org/sn_arc97/10_11_97/bob1.htm">here</a>
would get you the article, plus some references not given in the article.