Jawabanmu

2014-08-21T17:38:00+07:00
Pertama diurutkan dulu
5,6,6,6,7,7,7,8,8,8,9,10

mean : 87
median : (7+7 ) : 2 = 7
modus : 6,7, & 8

2014-08-21T17:43:22+07:00
5,6,6,6,7,7,7,8,8,8,9,10
mean = (5+6+6+6+7+7+7+8+8+8+9+10) ÷ 12 = 7.25
median = 7
modus = 6,7,8