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Index Numbers

Question
CBSEENST11024671

What is the purpose of constructing an index number of (a) Prices and (b) Quantities? 

Or

What is the difference between a price index and a quantity index?

Solution

The purpose of constructing an index number of prices is to measure the relative changes in the price of a group of commodities and the purpose of constructing index number of quantities is to measure the relative changes in the quantities of different commodities consumed or produced to obtain “quantity index”