Penjelasan dengan langkah-langkah:
rata-rata
= jumlah data/banyak data
= (30 +3 × 40 + 2 × 50 + 2 × 60 + 70 + 80)/10
= (30 + 120 + 100 + 120 + 130)/10
= (150 + 100 + 120 + 130)/10
= (350 + 120 + 130)/10
= (470 + 130)/10
= 600/10
= 60
banyak calon karyawan nilainya dibawah rata-rata
= banyak karyawan yang mendapat
nilai 30, 40 dan 50
= 1 + 3 + 2
= 6
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Penjelasan dengan langkah-langkah:
rata-rata
= jumlah data/banyak data
= (30 +3 × 40 + 2 × 50 + 2 × 60 + 70 + 80)/10
= (30 + 120 + 100 + 120 + 130)/10
= (150 + 100 + 120 + 130)/10
= (350 + 120 + 130)/10
= (470 + 130)/10
= 600/10
= 60
banyak calon karyawan nilainya dibawah rata-rata
= banyak karyawan yang mendapat
nilai 30, 40 dan 50
= 1 + 3 + 2
= 6