 Lesson <a href="L20-Confidence-intervals.html" class="quarto-xref"><span>20</span></a>, points out an accepted way to assess whether the 0.4 coefficient might be an accident: look at the confidence intervals.</p>
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<div class="sourceCode cell-code" id="cb10"><pre class="sourceCode r code-with-copy"><code class="sourceCode r"><span id="cb10-1"><a href="#cb10-1" aria-hidden="true" tabindex="-1"></a>Ava_model <span class="sc">|&gt;</span> <span class="fu