An interquartile range calculator or formula helps to highlight a normal distribution and find the median, where greatest density of values lie in the central dataset spread. (Here's a refresher ...

The interquartile range is another measure of spread, except that it has the added advantage of not being affected by large outlying values. In order to calculate this value we must first ...

also divides the upper half of the data into two halves. The interquartile range is \(17 - 7 = 10\). (Sometimes we are asked for the semi-interquartile range . This is half of the interquartile ...