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Board Question Paper : August 2020 — Statistics STD 12 Commerce — Question

Gujarat BoardEnglish MediumSTD 12 CommerceStatisticsBoard Question Paper : August 20201 Mark
Question
Define Index Number.
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Answer

The percentage change in the value of a variable associates with any item four the given $($current$)$ period compared to its value in a fixed $($base$)$ period is called an Index Number.

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