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Topic
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The four components of time series data are secular trend, cyclical variation, seasonality, and random variation. The seasonality in the data can be removed by:
A.
multiplying the data by a seasonality factor.
B.
taking the weighted average over four time periods.
C.
subtracting a seasonality factor from the data.
D.
adding a seasonality factor to the data
Correct answer is D… but i dont even really understand what the question is saying….
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