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Verified answer
Rata² = 4+5+5+6+7+8+7+6+9+7+5+9+8+7 dibagi 14jadi nilai rata² = 6.6
jadi yg dibawah rata² ada = 6 orang
semoga benar dan bermanfaat
Kelas :9
Bab :3
Nama Bab :Statistika
Kode mapel:2
Kode :9.2.3
Jawab:
rata-rata=(4+5+5+6+7+8+7+6+9+7+5+9+8+7)/14
=(4+(3)5+2(6)+4(7)+2(8)+2(9))/14
=(4+15+12+28+16+18)/14
=(93)/14
=6,64
yang dibawah rata-rata={4,5,5,5,6,6}
n(yang dibawah rata-rata)=6