�验independent-t-test"><i class="fa fa-check"></i><b>8.2.1</b> 独立样本<em>t</em>检验(independent <em>t</em>-test)</a></li>
<li class="chapter" data-level="8.2.2" data-path="第八讲回归模型一.html"><a href="第八讲回归模型一.html#线性回归linear-regression"><i class="fa fa-check"></i><b>8.2.2</b> 线性回归(linear regression)</a></li>
<li class="chapter" data-level="8.2.3" data-path="第八讲回归模型一.html"><a href="第八讲回归模型一.html#单样本t检验one-sample-t-