Medians are often quoted because they are more likely to be in line with current market values than averages. Medians give a middle of the road snapshot. Averages can be greatly distorted by extremely high or low values. For example: five sales at 150k, 200, 225k 250k and 600k produce and average of 285k. The median of these sales is 225k (two sales either side). Medians discount the high and low values of either end of the data. Of course, the more data gathered, the greater accuracy of the median as a valid benchmark.
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