Question: Calculate the Mean Absolute Deviation (MAD), Mean Squared Error (MSE) and Mean Absolute Percent Error (MAPE) for each of the forecasts. Please Show all calculations

Calculate the Mean Absolute Deviation (MAD), Mean

Calculate the Mean Absolute Deviation (MAD), Mean Squared Error (MSE) and Mean Absolute Percent Error (MAPE) for each of the forecasts. Please Show all calculations

Actual Nave Abs Error Error? 2-Period Abs Error Error 4-Period Abs Error Error? 2-Per.Wgted. Abs Error Error2 Exponential Abs Error Error2 1 300 2. 315 300.0 292.0 3 290 315.0 307.5 309.0 296.6 4 345 290.0 302.5 300.0 295.3 5 320 345.0 317.5 312.5 323.0 305.2 6 360 320.0 332.5 317.5 330.0 308.2 7 375 360.0 340.0 328.8 344.0 318.5 MAD = MAD = MAD = MAD = MAD = MSE = MSE = MSE = MSE = MSE = MAPE = MAPE = MAPE = MAPE = MAPE =

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