Belom ngerti 2 ini sampe sekarang juga

47. Rata rata = 41 × 9 = 369, 46 × 4 = 184, 50 × 7 = 350, 54 × 5 = 270.
= 369+184+350+270 = 1.173 : 25 = 46.92
Median = 46
Modus = 41
48. Basket = 80/60 × 36 = 48

Maaf kalo salah...