Question: . Develop a seasonally adjusted forecast for the demand data for fertilizer in Problem 12.3. Use a linear trend line model to calculate a forecast

. Develop a seasonally adjusted forecast for the

. Develop a seasonally adjusted forecast for the demand data for fertilizer in Problem 12.3. Use a linear trend line model to calculate a forecast estimate for demand in year 4

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 3 9 150 10 170 11 110 12 130

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