Question: Why is forecasting necessary in OSCM It is a common saying that the only thing certain about a forecast is that it will be wrong.What

  1. Why is forecasting necessary in OSCM
  2. It is a common saying that the only thing certain about a forecast is that it will be wrong.What is meant by this?
  3. From the choice of simple moving average, weighted moving average, exponential smoothing, and linear regression analysis, which forecasting technique would you consider the most accurate?Why?
  4. Discuss the basic differences between the mean absolute deviation and mean absolute percent error.

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