    removed, a C++11 or later conformant compiler is now required to use this
          library.
        </li>
<li class="listitem">
          Added <a class="link" href="z_test.html" title="z-tests">Z-test</a>.
        </li>
<li class="listitem">
          Added execution policy support to univariate and bivariate statistics:
          enables parallel execution (requires C++17 and <code class="computeroutput"><span class="special">&lt;</span><span class="identifier">execution</span><span class="special">&