Question: QUESTION 3: Read the following problem and answer the 4 sub- questions. The LawnPlus Fertilizer Company distributes fertilizer to various lawn and garden shops. The

QUESTION 3: Read the following problem and answerQUESTION 3: Read the following problem and answer

QUESTION 3: Read the following problem and answer the 4 sub- questions. 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 tons 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 (TON) 1 1 105 2 150 3 93 4 121 2 5 140 6 6 170 7 105 00 150 3 9 9 150 10 170 11 110 12 130 1. Compute a three-quarter moving average forecast for quarters 4 through 13 and compute the forecast error for each quarter. (2.5 marks) 2. Compute a five-quarter moving average forecast for quarters 6 through 13 and compute the forecast error for each quarter. (2.5 marks) 3. Compute a weighted three-quarter moving average forecast using weights of -50, 33, and 17 for the most recent, next recent, and most distant data, respectively, and compute the forecast error for each quarter. (2.5 marks) 4. Compare the forecasts developed in parts 1, 2, and 3 using cumulative error. Which forecast appears to be most accurate? Do any exhibit any bias? (2.5 marks) (Question Total: 10 marks)

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