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<h4>getSlopeConfidenceInterval</h4>
<pre>public&nbsp;double&nbsp;getSlopeConfidenceInterval()
                                  throws <a href="../../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></pre>
<div class="block">Returns the half-width of a 95% confidence interval for the slope
 estimate.
 <p>
 The 95% confidence interval is</p>
 <p>
 <code>(getSlope() - getSlopeConfidenceInterval(),
