PLEASE HELP!!!!!!!!!!

Which set of data is skewed most to the right?
15, 20, 21, 22, 23, 24, 29
10, 15, 18, 20, 21, 24, 29
5, 15, 16, 17, 17, 18, 19
14, 15, 15, 16, 17, 18, 30