OINT BY ITERATING OUT (BOTH BELOW AND ABOVE)</span>
<span class="c">!     FROM THE ORIGINAL APPROXIMATION AT STEPS</span>
<span class="c">!     OF 1 STANDARD DEVIATION.</span>
<span class="c">!     THE RESULTING BOUNDS WILL BE AT MOST</span>
<span class="c">!     1 STANDARD DEVIATION APART.</span>
<span class="c">!</span>
<span class="w">                     </span><span class="n">ix0</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<span class="w">    