While all values in a data set are used to calculate the mean, only the interquartile range -- the central portion of a data set -- is used to calculate the interquartile mean. Microsoft Excel has ...

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 ...

Quartiles are used to calculate the interquartile range, which is a measure of variability around the median. To understand the quartile, it is important to understand the median as a measure of ...

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 interquartile range, subtract the value of the lower ...