span> <span class="va">y</span>, n <span class="op">=</span> <span class="fl">30</span>, n1 <span class="op">=</span> <span class="fl">80</span>, n2 <span class="op">=</span> <span class="fl">20</span>, </span>
<span>                tailed <span class="op">=</span> <span class="st">"one"</span>, greater <span class="op">=</span> <span class="st">"x"</span><span class="op">)</span></span>
<span><span class="co">##   statistic    p.value</span></span>
<span><span class="co">## 1  2.407318 0.01132991</span></s