itle="interface in org.apache.commons.math3.stat.descriptive">StatisticalSummary</a>&nbsp;sampleStats1,
                  <a href="../../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html" title="interface in org.apache.commons.math3.stat.descriptive">StatisticalSummary</a>&nbsp;sampleStats2)</code>
<div class="block">Returns the <i>observed significance level</i>, or
 <i>p-value</i>, associated with a two-sample, two-tailed t-test
 comparing the means of the datasets described