co">##  Ha:  mean != 125 </span></span>
<span><span class="co">##  t = 0.6433 , df = 724 </span></span>
<span><span class="co">##  Pr(|T| &gt; t) =  0.520256</span></span></code></pre>
<div class="sourceCode" id="cb10"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="fu"><a href="../reference/ttest.html">ttest</a></span><span class="op">(</span><span class="va">mri</span><span class="op">$</span><span class="va">ldl</span>, by <span class="op">=</span> <span class="va">mri</s