80
Penjelasan dengan langkah-langkah:
rata rata nilai ulangan
= jumlah : banyak data
= (60+70+80+80+70+90+100+90) : 8
= 640 : 8
= 80
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Verified answer
80
Penjelasan dengan langkah-langkah:
rata rata nilai ulangan
= jumlah : banyak data
= (60+70+80+80+70+90+100+90) : 8
= 640 : 8
= 80