A box plot titled "Age of Participants" and labeled "Age" uses a number line from 10 to 35 with primary markings and labels at 10, 15, 20, 25, 30, and 35. The box extends from 15 to 27 on the number line. A line in the box is at 22. The whiskers end at 11 and 32. The middle 50 % of the the data is in between what two numbers?
15 27
15 32
22 27
22 32