n class="fu"><a href="https://rdrr.io/r/base/matrix.html" class="external-link">as.matrix</a></span><span class="op">(</span><span class="va">ex_2</span><span class="op">[</span>,<span class="fl">1</span><span class="op">:</span><span class="fl">4</span><span class="op">]</span><span class="op">)</span><span class="op">)</span> <span class="co"># Example 2 array</span>
<span class="co">#&gt; [1] 0</span></code></pre></div>
<p>We see that at <span class="math inline">\(\alpha=0.05\)</span> we would consider 