Jawabanmu

2014-01-01T16:15:50+07:00
4, 5, 5 ,7,8, 10, 13, 14, 15
Median = 8
Q1 = 5
Q3 = 13,5
JIK = 13,5 - 5 = 8,5

SIK = 1/2 x JIK = 1/2 x 8,5 = 4,25
2 4 2