Jawab:
74
Penjelasan dengan langkah-langkah:
Rata-rata = jumlah seluruh data ÷ banyak data = (70+80+80+90+80+60+60+80+70+70) ÷ 10 = 740 ÷ 10 = 74
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Jawab:
74
Penjelasan dengan langkah-langkah:
Rata-rata = jumlah seluruh data ÷ banyak data = (70+80+80+90+80+60+60+80+70+70) ÷ 10 = 740 ÷ 10 = 74