Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the c

Question

Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the chip during the last 12 months were as follows: This exercise contains only. With alpha = 0.1 and the initial forecast for October of $1.78, using exponential smoothing, the forecast for periods 11 and 12 is (round your responses to two decimal places): With alpha = 0.3 and the initial forecast for October of $1.76, using exponential smoothing, the forecast for periods 11 and 12 is (round your responses to two decimal places): With alpha = 0.5 and the initial forecast for October of $1.72, using exponential smoothing, the forecast for periods 11 and 12 is (round your responses to two decimal places): Based on the months of October, November, and December, the mean absolute deviation using exponential smoothing where alpha = 0.1 and the initial forecast for October = $1.78 is $| | (round your response to three decimal places).

Explanation / Answer

MAD = 0.118

Exponential Smoothing = 0.1 MAD = |et|/n MAD 0.118 Ft = Dt-1 + (1-)Ft-1 Period Demand Forecast Error Abs Error t Dt Ft et |et| Oct 1.57 1.780 -0.210 0.210 Nov 1.62 1.759 -0.139 0.139 Dec 1.75 1.745 0.005 0.005 -0.344 0.354

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