Jawab:
Penjelasan dengan langkah-langkah:
statistik
nilai rata rata
__
Xg = 72
Xp = 70
Xw = 76
banyak putra = p
banyak putri = w
p(76- 72) = w(72-70)
p(4) = w(2)
p : w = 2 : 4
p : w = 1 : 2
banyak siswa dikelas = 27 siswa
banyak siswa putri = 2/3 x 27 = 18 orang
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Jawab:
Penjelasan dengan langkah-langkah:
statistik
nilai rata rata
__
Xg = 72
Xp = 70
Xw = 76
banyak putra = p
banyak putri = w
p(76- 72) = w(72-70)
p(4) = w(2)
p : w = 2 : 4
p : w = 1 : 2
banyak siswa dikelas = 27 siswa
banyak siswa putri = 2/3 x 27 = 18 orang