Question
Calculate Price Index number from the given data:
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Answer

Commodity Base Year price $2005 (P0)$ Current Year price $2006(P1)$
A $6$ $8$
B $16$ $18$
C $24$ $28$
D $4$ $6$
Total $\sum p0 = 50$ $\sum p1 = 60$
Steps:
Add the price of base year $(p_0)$
Add the price of current year $(p_1)$
$\begin{aligned} & P_{01}=\frac{\Sigma p_1}{\Sigma p_0} \times 100 \\ & =\frac{60}{50} \times 100 \\ & =120\end{aligned}$
Hence $P01 = 120$

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