Question: Help me with this and please don't make excel files because it is so hard to understand. If possible please write it down. I really

Help me with this and please don't make excel files because it is so hard to understand.

If possible please write it down. I really appreciate it

Help me with this and please don't make excel

12.3. The LawnPlus Fertilizer Company distributes fertilizer to various lawn and garden shops. The company must base its quarterly production schedule on a forecast of how many tonnes of fertilizer will be demanded from it. The company has gathered the following data for the past three years from its sales records./ Year Quarter Demand for Fertilizer (tonnes) 1 1 105 2 150 3 93 4 121 2 5 140 6 170 7 105 8 150 150 3 9 10 170 11 110 12 130 a. Calculate a three-quarter moving average forecast for quarters 4 through 13 and calculate the forecast error for each quarter. b. Calculate a five-quarter moving average forecast for quarters 6 through 13 and calculate the forecast error for each quarter. c. Calculate a weighted three-quarter moving average forecast using weights of 0.50, 0.33, and 0.17 for the most recent, next recent, and most distant data, respectively, and calculate the forecast error for each quarter. d. Compare the forecasts developed in parts (a), (b), and (c) using cumulative error. Which forecast appears to be most accurate? Do any exhibit any bias

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