#  1st Qu.:15.43   1st Qu.:4.000   1st Qu.:2.581   1st Qu.:16.89  
##  Median :19.20   Median :6.000   Median :3.325   Median :17.71  
##  Mean   :20.09   Mean   :6.188   Mean   :3.217   Mean   :17.85  
##  3rd Qu.:22.80   3rd Qu.:8.000   3rd Qu.:3.610   3rd Qu.:18.90  
##  Max.   :33.90   Max.   :8.000   Max.   :5.424   Max.   :22.90</code></pre>
<h2 id="plots">Plots</h2>
<p>You can also embed plots, for example:</p>
<div class="sourceCode" id="cb12"><pre class="sourceCode r"><code class="sourceCode r"><sp