A _____ model is usually more accurate than a ______ model for medium-to-long-range forecasts.

A _____ model is usually more accurate than a ______ model for medium-to-long-range forecasts.
     a. Time-series decomposition, causal regression
     b. Causal regression, time-series decomposition
     c. Time-series decomposition, simple exponential smoothing
     d. Simple exponential smoothing, time-series decomposition
     e. Simple exponential smoothing, causal regression

 

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