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1. A time series with forecast values and error terms is presented in the following table. The mean absolute deviation (MAD) for this forecast is

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1. A time series with forecast values and error terms is presented in the following table. The mean absolute deviation (MAD) for this forecast is Answer. (Calculate to two decimal places. X.XX) Month Actual Forecast Error July 5 11 5 6 August September October 13 6.8 6.2 6 8.66 -2.66 November 5 7.862 -2.862

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