Question

No 6 pkek caranya plis

Answer 1

Rata-rata
= [(4 × 2) + (5 × 7) + (6 × 13) + (7 × 6) + (8 × 1) + (9 × 1)]/(2 + 7 + 13 + 6 + 1 + 1)
= (8 + 35 + 78 + 42 + 8 + 9)/30
= 180/30
= 6

Jawaban: D

Answer 2

180:30 = 60 Nilai rata rata: 6 (D)