tlongg.... pke caranya yh

Please, let me answer your question :)
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Mapel : Matematika
Tentang : Mean
Pembahasan :

Jumlah banyak pakai :

8 + 9 + 10 + 12,5 + 10 + 12 + 12 = 73,5

Banyak hari : 7

Mean : 73,5/7
Mean : 10,5

Jadi, rata-rata nya adalah 10,5 kwintal

Yg B jawabannya.

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Heil Manstein!

rata rata x 7 = 8 + 9 + 10 + 12,5 + 10 + 12 + 12
rata rata x 7 = 73,5
rata rata = 73,5 / 7 = 10,5

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