Nilai : 70 , 75 , 80 , 85 , 90 , 95

By Posted on

frekuensi : 11 , 6 ,5 , 3 , 8 , 10
hitunglah nilai rata rata , median , dan modus data tersebut !​

Nilai : 70 , 75 , 80 , 85 , 90 , 95

Jawaban:

Rata-rata :

= frac{770 + 450 + 400 + 255 + 720 + 950}{11 + 6 + 5 + 3 + 8 + 10} \ = frac{3545}{43} \ = 82.44

Median :

70 , 75 , 80 , 85 , 90 , 95

(80+85)/2 = 165/2

= 82,5

Modus : 70 (paling banyak muncul)