RATA2 HARMONIS DARI DATA 4,2,4,5 ADALAH

Kelas 9 Matematika
Bab Statistika

4, 2, 4, 5 → ada 4

Rata-rata harmonis
= 4/(1/4 + 1/2 + 1/4 + 1/5)
= 4/(5/4 + 10/20 + 5/20 + 4/20
= 4 / (24/20)
= 4 . 20/24
= 80/24
= 3 8/24
= 3 1/3