The IQR is the interquartile range, or the distance between Q1 and Q3. It is calculated with Q3 - Q1. How do you find the interquartile range? Now we can answer the question, "What is interquartile range?" We have shown that the IQR is simply the difference in the values of the ...
The Interquartile Range is defined as the difference between the first quartile (\(Q_1\)) and third quartile (\(Q_3\)). Mathematically, this is written as: \[ IQR = Q_3 - Q_1 \] How to compute the Interquartile in Excel