inter77An Example of Calculating IQR Using an IQR Formula. To identify the interquartile range of a set of data, simply subtract the first quartile from the third quartile as follows:85 Followers, 146 Following, 22 Posts - INTER77 FC⚽ (@inter77_fc) on : Internazionale ⚫ Time criado 041021 #interfc #inter77fc⚫