the mean time to graduation?”, “What is the median home
price in Seattle?”, or “What is the difference in mean time to a relapse
event between the control and the treatment group?” There are many
methods of analyzing one- and two-sample relationships, and in our
package we have implemented three common approaches.</p>
<div class="section level3">
<h3 id="t-tests">t-tests<a class="anchor" aria-label="anchor" href="#t-tests"></a>
</h3>
<p>We are often interested in making statements about the averag