rata2 harmonis dari data 3,2,4,3

Kelas 9 Matematika
Bab Statistika

3, 2, 4, 3 → n = 4

Rata-rata harmonis
= 4 / (1/3 + 1/2 + 1/4 + 1/3)
= 4 / (4/12 + 6/12 + 3/12 + 4/12)
= 4 / (17/12)
= 4 . 12/17
= 48/17
= 2 14/17