tp://www.pewforum.org/religious-landscape-study/)." width="768" height="50%" />
<p class="caption">
Figure 4.12: A clearer presentation of the religious affiliation data (obtained from <a href="http://www.pewforum.org/religious-landscape-study/" class="uri">http://www.pewforum.org/religious-landscape-study/</a>).
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<p>This plot allows the viewer to make comparisons based on the the length of the bars along a common scale (the y-axis). Humans tend to be more accurate when decoding differences based