Jawabanmu

2014-04-14T17:43:35+07:00
3,4,5,7,11=30/5=6 Ss=akar | (6-3)^2 + (6-4)^2 + (6-5)^2 + (6-7)^2 + (6-11)^2 Ss=akar 40
2014-04-14T17:56:04+07:00
Dari perhitungan saya jawabannya 2,82....