To find interquartile range (IQR) within a data set, begin by ordering your values from least to greatest. The first quartile (Q1), or lower quartile, should contain statistics with the smallest ...

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 ...

text{biggest number} - \text{smallest number} = 4.1 - 2.5 = 1.6\) The range of masses is 1.6 kg. The interquartile range shows the range in values of the central 50% of the data. To find the ...