Jawaban:
b. 7,58 juta.
Penjelasan dengan langkah-langkah:
nilai data = (4,8 × 10) + (6,0 × 15) + (8,0 × 35) + (8,5 × 40)
= 48 + 90 + 280 + 340
= 758 juta
banyak data = 10 + 15 + 35 + 40
= 100 orang
rata-rata = nilai data/banyak data
= 758/100
= 7,58 juta.
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Jawaban:
b. 7,58 juta.
Penjelasan dengan langkah-langkah:
nilai data = (4,8 × 10) + (6,0 × 15) + (8,0 × 35) + (8,5 × 40)
= 48 + 90 + 280 + 340
= 758 juta
banyak data = 10 + 15 + 35 + 40
= 100 orang
rata-rata = nilai data/banyak data
= 758/100
= 7,58 juta.