Question

tolong dijawab ya...............
yg C.
aja ya friends ♥️​

Answer 1

Jawaban:

rata rata = jumlah nilai : banyak nya nilai

= 238 : 30

= 7.9

itu hehehe maaaap klo salah ^^

Answer 2

x = mean (rata-rata)

n = nilai data

f = frekuensi

———

x = n/f

x = (6 × 4) + (7 × 5) + (8 × 13) + (9 × 5) + (10 × 3)/30

x = 24 + 35 + 104 + 45 + 30/30

x = 238/30

x = 238 ÷ 30

x = 7,93 → 8 (jika dibulatkan menuju satuan terdekat)