Hannibal Hamlin is the leader of the Temple of the Union in the year 2277. An escaped slave from Paradise Falls, he dreams of creating a safe haven for runaway slaves in the Lincoln Memorial.
Like the standard deviation, the interquartile range (IQR) is a descriptive statistic used to summarize the extent of the spread of your data. The IQR is the distance between the 1st quartile (25th percentile) and 3rd quartile (75th percentile). Q3 - Q1 = IQR.
1 Interquartile range (IQR). 2  The middle half of a data set falls within the interquartile range. 3  In a boxplot, the interquartile range is represented by the width of the box (Q3 minus Q1). 4  In the chart above, the interquartile range is equal to 600 minus 300 or about 300.