Page 16 - PowerPoint Presentation
P. 16
Jawab :
Pakaian terjual (x ) Banyak kios (f )
i
i
70 2 140
80 3 240
90 4 360
100 1 100
10 740
Rumus Rata-rata :
f . x i
i
̅
x =
f i
740
=
10
= 74
