<p>The topic of whether variance (which is square by definition) is a good measure of <a href="https://en.wikipedia.org/wiki/Statistical_dispersion" rel="nofollow noreferrer">dispersion</a> or <a href="https://en.wikipedia.org/wiki/Deviation_(statistics)" rel="nofollow noreferrer">deviation</a> is not without merit and is being discussed a lot. </p>

<p>Your question, however, is very unclear.  That is why it is closed. See the text that explains the reason for closing </p>

<blockquote>
  <p><em>"Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell <strong>exactly</strong> what you're asking."</em></p>
</blockquote>
