pan class="nv">mean</span><span class="w"> </span><span class="nv">of</span><span class="w"> </span><span class="nv">the</span><span class="w"> </span><span class="nv">data</span><span class="w"> </span><span class="nv">in</span><span class="w"> </span><span class="nv">the</span><span class="w"> </span><span class="nv">input</span><span class="w"> </span><span class="nv">vector</span><span class="w"> </span><span class="nv">X</span>.

<span class="nv">The</span><span class="w"> </span><span class="nv">sampl