15. This question has five answer choices. Select the best one of the answer choices given.
List R: 28, 23, 30, 25, 27 List S: 22, 19, 15, 17, 20 The median of the numbers in list R is how much greater than the median of the numbers in list S ?
- 18

- 210

- 312

- 413

- 515
