sc.html#math_toolkit.stat_tut.weg.normal_example.normal_misc.standard_deviations_either_side_">Standard
            deviations either side of the Mean</a>
          </h5>
<p>
            Armed with the cumulative distribution function, we can easily calculate
            the easy to remember proportion of values that lie within 1, 2 and 3
            standard deviations from the mean.
          </p>
<pre class="programlisting"><span class="identifier">cout</span><span class="special">.</span><span class="id