In a box plot, it is easy to see the range of where 50% of your data lies. Let’s examine this a little further by describing the interquartile range. Quartiles can be defined as dividing your ...

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 ...