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Answer» The analysis of time series is useful in trade, science, social and political fields as follows : - It is possible to know the past situation and use it to obtain the type and measure of variation.
- By using statistical method the estimated value of the variable in future can be obtained.
- Using the estimated values proper decisions can be taken for the future and activities can be planned accordingly.
- A comparative study can be carried out for the variations in the given variable at different times and places.
- The estimated obtained from the past data can be compared with the present values and the reasons for discrepancies between them can be investigated.
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