For the data :
| Variable | Price | Weights |
|
| Base year | Current year | ||
| X | 50 | 60 | 5 |
| Y | 20 | 25 | 7 |
| Z | 30 | 40 | 4 |
The weighted aggregative index number is :
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → 124.50
The weighted Average index number is,
$P_L=\frac{∑(P_1×W)}{∑(P_0×W)}×100$
$=\frac{60×5+25×7+40×4}{50×5+20×7+30×4}×100$
$=\frac{635}{510}×100=124.50$