Question

Define the Index number.

Answer 1

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Answer 2

Answer:

As per the question

Index number

A Index number are devices for measuring difference in the magnitude of a group of related values

An index number measures the relative change in price, quantity , value,or some  other item in interest from one time period to another

A simply index number measure the relative change in or more than variable

Index number are reported relative to a base period index

Index number  measure the change in the level of a given phenomenon