Question: a) Based on the given monthly sales data, it can be said that there is linear trend in sales over time. c) Assume that May's


a) Based on the given monthly sales data, it can be said that there is linear trend in sales over time. c) Assume that May's actual sales figure turns out to be 405 . For the forecast developed by Bob using exponential smoothing, the mean absolute deviation (MAD) =18.36 sales (round your response to two decimal places). Assume that May's actual sales figure turns out to be 405. For the forecast developed by Sherry using a 3-month moving average, the mean absolute deviation (MAD) =19.17 sales (round your response to two decimal places). d) Based on the above calculations, the forecast approach used by is better
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