October 2018 2 123 Report
Berat badan rata-rata 15 siswa pria 52Kg, sedangkan berat badan rata-rata 25 siswa wanita 48kg. Berat badan rata rata seluruh siswa adalah?
a. 50,5Kg
b. 50Kg
c. 49,5 Kg
d. 49 kg

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