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INDEX NUMBER — Statistics STD 12 Commerce — Question

Gujarat BoardEnglish MediumSTD 12 CommerceStatisticsINDEX NUMBER1 Mark
Question
Which are the two methods to measure the changes in the values of any variable at two different Time?
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Answer

We can measure the changes in the values of any variable at two different time by following two methods $(i)$ absolute measure $($Difference$)$ method $(ii)$ Relative measure $($ratio$)$ method.

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