Question

simple index number and weighted index number different between​

Answer 1

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Weighed index no:-

An index number in which the component items are weighted according to some system of weights reflecting their relative importance. ... It is, however, usual to describe an index as “weighted” only when weighting coefficients enter explicitly into its definition and calculation.

simple index number:-

A simple index number is the ratio of two values representing the same variable, measured in two different situations or in two different periods. For example, a simple index number of price will give the relative variation of the price between the current period and a reference period.