The worldwide sales of cars from 1981-1990 are shown in the table below. Given: a =...

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The worldwide sales of cars from 1981-1990 are shown in the table below. Given: a = 0.2 and ß = 0.15 (Hint: Use XLMiner) Units sold in thousands 888 900 1000 1200 1100 1300 Year 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1250 1150 1100 1200 Using the double exponential smoothing, calculate the value of the mean absolute deviation for the given data. O 91.27 O 8.10 1.80 O 11976.17 The worldwide sales of cars from 1981-1990 are shown in the table below. Given: a = 0.2 and ß = 0.15 (Hint: Use XLMiner) Units sold in thousands 888 900 1000 1200 1100 1300 Year 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1250 1150 1100 1200 Using the double exponential smoothing, calculate the value of the mean absolute deviation for the given data. O 91.27 O 8.10 1.80 O 11976.17

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For exponential smoothing we need initial forecast values ie forecast value at year 1980 We perform ... View the full answer