iana ser&aacute; a m&eacute;dia dos dois valores centrais.
</p>
<p>Exemplo:
</p>
<pre class="example">(%i1) load (descriptive)$
(%i2) load (numericalio)$
(%i3) s1 : read_list (file_search (&quot;pidigits.data&quot;))$
(%i4) median (s1);
                                9
(%o4)                           -
                                2
(%i5) s2 : read_matrix (file_search (&quot;wind.data&quot;))$
(%i6) median (s2);
(%o6)         [10.06, 9.855, 10.73, 15.48, 14.105]
</pre>
<p>A mediana &eacute; o 1/2-<code>