7+8+9+10+8+9+8+9+6+7+7+7+6+8+10+9+6+5+8+4 = 151
151 : 20 = 7,55
jadi rata rata 7,55
Jawaban:
Mean : jumlah : banyak
: 162 ÷ 20
: 8,1
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7+8+9+10+8+9+8+9+6+7+7+7+6+8+10+9+6+5+8+4 = 151
151 : 20 = 7,55
jadi rata rata 7,55
Jawaban:
Mean : jumlah : banyak
: 162 ÷ 20
: 8,1