rata rata harmonis dari data 4,5,5,2,10

Kelas 9 Matematika
Bab Statistika

4, 5, 5, 2, 10 → ada 5

Rata-rata harmonis
= 5/(1/4 + 1/5 + 1/5 + 1/2 + 1/10)
= 5/(5/20 + 4/20 + 4/20 + 10/20 + 2/20)
= 5/(25/20)
= 5 . 20/25
= 4