2 x 0.5 + 4 x 0.25 + 4 x 3.75 + 8 x 0.625 + 4 x 0.33
___________________________________________
2 + 4 + 4 + 8 + 4
---->
1 + 1 + 15 + 5 + 1.32
______________________
22
--->
23.32
__________________ = 1.06
22
[ Sper ca te refereai la Media aritmetica ponderata ]