The cyclical variation component of a time series measures the over-all general directional movement over a long period of time.
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Q1: The time series component that reflects a
Q2: A trend is one of the four
Q4: Random variation is one of the four
Q5: In forecasting,we use data from the past
Q6: The time series component that reflects a
Q7: We calculate the three-period moving average for
Q8: Any variable that is measured over time
Q9: In exponentially smoothed time series,the smoothing constant
Q10: The equation: St = w⋅yt + (1
Q11: Seasonal variation is one of the four
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