Question

Tolon jawab dengan cara besok dikumpulin no. 67

Answer 1

Verified answer

Mata pelajaran : matematika
Kategori : rata rata

rata rata = jumlah data/ banyak data
rata rata = 70 + ( 75 × 4 ) + ( 80 × 3 ) + ( 85 × 2 ) / 10
rata rata = 70 + 300 + 240 + 170 / 10
rata rata = 780/10
rata rata = 78 cm

Opsi : d.

Answer 2

Verified answer

Mean= rata rata
Mean= jumlah nilai/ banyak nilai
= (70×1)+(75×4)×(80×3)×(85×2)/ 1+4+3+2
=70+300+240+170/10
=780/10
=78 (D)

Moga membantu^-^