 both return the <span class="emphasis"><em>standard deviation</em></span> of this distribution.
          (Redundant location and scale function are provided to match other similar
          distributions, allowing the functions find_location and find_scale to be
          used generically).
        </p>
<h5>
<a name="math_toolkit.dist_ref.dists.normal_dist.h1"></a>
          <span class="phrase"><a name="math_toolkit.dist_ref.dists.normal_dist.non_member_accessors"></a></span><a class="link" href="normal_