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# Rata rata hitung,cording,harmanik

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### Rata rata hitung,cording,harmanik

1. 1. Nama NIM : REZA VALENSI : 131201203 Jurusan/prodi : Tarbiyah/PMA Sem/unit : III/4 Email : reza.valensi@gmail.com No. Hp. : 082362236043 Berdasarkan data berikut tentukan : Rata-rata Hitung Rata-rata Cording Rata-rata Harmonik MODUS Kelas Interval 1–5 6 – 10 11 – 15 16 – 20 21 – 25 2 2 4 4 8 Jumlah 20 Penyelesaian: Rata-rata Hitung = = = 16.5 3 8 13 18 23 6 16 52 72 184 330
2. 2. Rata-rata Hitung dan Cording Kelas Interval 1–5 6 – 10 11 – 15 16 – 20 21 – 25 Jumlah = 2 2 4 4 8 20 3 8 13 18 23 -2 -1 0 1 2 -4 -2 0 4 16 14 6 16 52 72 184 330 + = 13 + 5 = 13 + 5 (0.7) = 13 + 3.5 = 16.5 Rata-rata Harmonik Kelas Interval 1–5 6 – 10 11 – 15 16 – 20 21 – 25 Jumlah Jadi = = = 13.214075 = 13.214 2 2 4 4 8 20 3 8 13 18 23 0.6666667 0.2500000 0.3076923 0.2222222 0.0869565 1.5135377
3. 3. Modus Kelas Interval 1–5 6 – 10 11 – 15 16 – 20 21 – 25 = 20.5 =5 =8–4=4 =8–0=8 = 20.5 + 5 = 20.5 + 5 (0.333) = 20.500 + 1.667 = 22.167 2 2 4 4 8 3 8 13 18 23