Question: Calculate the Mean Absolute Deviation 4 points using the table below. Period Year Call Volume Forecast Error 1 1 30 45 -15 2 2 25

Calculate the Mean Absolute Deviation 4 points using the table below. Period Year Call Volume Forecast Error 1 1 30 45 -15 2 2 25 15 10 2 55 65 -10 4 3 15 20 -5 Option 1

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