<p>The newly created tag <a href="https://stats.stackexchange.com/questions/tagged/chi-square" class="post-tag" title="show questions tagged &#39;chi-square&#39;" rel="tag">chi-square</a> seems to be a synonym of tag <a href="https://stats.stackexchange.com/questions/tagged/chi-squared" class="post-tag" title="show questions tagged &#39;chi-squared&#39;" rel="tag">chi-squared</a>.</p>
