Question

Suatu data terdiri dari 3 buah bilangan. Jangkauan data itu 14, median dan rata-rata data sama yaitu 27. Tentukan data tersebut!

Answer 1

Verified answer

Jawab
data 3 buah bilangan. misal  a, b, c
jangkauan = 14
c - a = 14
median = b = 27
rata rata = 27 → (a + b + c)/3 = 27
a + b + c = 3(27)
a + 27 + c =81
a + c = 54
c - a = 14  | (+)
2c = 68
c = 34
a = 54 - c
a = 54- 34  = 20
Data itu a,b,c = 20, 27, 34