Interquartile range is Q1 - Q3. We first have to put the numbers in ascending order. 26, 28, 28, 30, 30, 32. Now, Q1 : 26 and 28. Now, Q3 : 30 and 32. Let's find the range of Q1 and Q3. 26 + 28 = 54. Then, you divide by 2. 27 - Q3. 30 - 32 = 62. 62 / 2 = 31. 31 - 27 = 4. Hope this Helps.
