Question: 1. Calculate mean absolute deviation (MAD), mean absolute percent error (MAPE), and tracking signal (TS) based on below information. MAD Period Error Absolute Error 1

1. Calculate mean absolute deviation (MAD), mean

1. Calculate mean absolute deviation (MAD), mean absolute percent error (MAPE), and tracking signal (TS) based on below information. MAD Period Error Absolute Error 1 lor 2 3 4 5 Demand 155 145 160 151 143 Forecast 130 155 145 160 151 MAD= MAPE Period 1 2 3 4 5 Demand 155 145 160 151 143 Forecast 130 155 145 160 151 Ave Demand MAPE=

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