Jawabanmu

2013-12-14T14:51:38+07:00
Jankauan antarkuartil = Q3 - Q1 
Q3 = 23/2 Q1 = 9/2
Q3 - Q1 = 23/2 - 9/2 = 14/2 = 7
Jawaban paling cerdas!
2013-12-14T20:29:24+07:00