Jawabanmu

2014-09-04T07:48:16+07:00
A. 10, 10, 11, 12, 14, 15, 16, 17, 18
   Q1 = 10 + 11 = 21 / 2 = 10,5
   Q2 = 14
   Q3 = 16 + 17 = 33 / 2 = 16,5
b. 50, 50, 51, 53, 54, 55, 56
  Q1 = 50
  Q2 = 53
  Q3 = 55

Bilangan harus di urutkan.