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Verified answer
StatistikaKelas IX
Laki² = 32 - 5 = 27 siswa
Nilai laki² = 27 • 7,6
Nilai laki² = 205,2
Nilai kelas = 32 • 7,8
Nilai Kelas = 249,6
Nilai perempuan = 249,6 - 205,2
= 44,4
Maka
Rata² perempuan = 44,4 / 5
Rata² perempuan = 8,88