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<p><a href="page.php?w=scale_parameter">scale parameter: estimation</a>.</p>

<p>For example, dividing the IQR by  (using the <a href="page.php?w=error_function">error function</a>) makes it an unbiased, consistent estimator for the population standard deviation if the data follow a <a href="page.php?w=normal_distribution">normal distribution</a>.</p>

<p><big>Other uses</big></p>
<p>Trimmed estimators can also be used as statistics in their own right - for example, the median is a measure of location, and the IQR is a measure of dispersion. In these cases,</p><p>
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