Suppose the data represent the inches of rainfall in April for a certain city over the course of 20 years. 0.87 2.33 3.62 4.97 1.02 2.46 3.85 5.22 Given the quartiles Q1 = 2.255, Q2 = 3.555, and Q3 = 4.855, compute the interquartile range, IQR. 1.47 2.72 4.01 5.51 1.86 3.13 4.32 5.82 2.18 3.49 4.74 6.02 IQR = (Round to three decimal places as needed.)