Question: Harlen Industries Limited has a simple forecasting model whose forecast demand has been plotted against actual demand for an 8 months duration. The firm

Harlen Industries Limited has a simple forecasting model whose forecast demand has

Harlen Industries Limited has a simple forecasting model whose forecast demand has been plotted against actual demand for an 8 months duration. The firm uses an average weekly demand which is shown below: WEEK 1 2 34 5 6 7 8 FORECAST DEMAND 140 150 165 170 155 160 170 135 ACTUAL DEMAND 135 160 155 175 180 150 145 140 a. Compute the Mean Absolute Deviation (MAD) of the Harlen industries limited? [10 Marks] b. Calculate the Mean Square Error (MSE) for Harlen industries Limited? [10 Marks] c. Calculate the Cumulative Forecast Error (CFE) of Harlen industries limited?

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