Draw backs of the moving average forecasting model

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what is the difference between a causal model and a time-series model? Give an example of when each would be used.

What are some of the problems and draw backs of the moving average forecasting model?

How do you determine how many observations to average model?. How do you determine the weightings to use in a weighted moving average model?

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Draw backs of the moving average forecasting model : What are some of the problems and draw backs of the moving average forecasting model?

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