To find the IQR, you must: 1) Find the median 2) Split the data set in two at the median. 3) Find the medians from both the groups you made in Step 2 4) Label the smaller one Quartile 1 and the larger one Quartile 3 (Hint: The median is Quartile 2) 5) Subtract: Quartile 3 - Quartile 1
