jawabannya A.9
caranya: 5+10+7+8+15=45:5=9
maaf kalo salah^_^
rata-rata = jumlah frekuensi÷5
= (5+10+7+8+15)÷5
= 45÷5 = 9 (a)
maaf kalo saya salah ya...
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jawabannya A.9
caranya: 5+10+7+8+15=45:5=9
maaf kalo salah^_^
rata-rata = jumlah frekuensi÷5
= (5+10+7+8+15)÷5
= 45÷5 = 9 (a)
maaf kalo saya salah ya...