Question: Why does the mean raw deviation work poorly as a measure of the accuracy of forecasts? Select an answer: Large errors tend to mask the

Why does the mean raw deviation work poorly as a measure of the accuracy of forecasts?

Select an answer: Large errors tend to mask the effect of small errors. Positive deviations cancel out negative deviations. A single number is does not help locate the source of the deviations. The median raw deviation is a much more robust indicator than the mean raw deviation

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