__________ also known as the cost of living index. 

 In a ______________ index weights may be determined by the proportion or percentage of expenditure on them in total expenditure during the base period. 

Consumer index numbers are helpful in

 The whole sale price index number indicates the _______ in the general price level. 

A consumer price index measures changes in: 

Many methods have been given below for constructing index number of price. Which is the Laspeyres method: 

An __________ is a a statistical device for measuring changes in the magnitude of a group of related variables.

The WPI is widely used into measure the rate of

The formula for a simple aggregative price index is