Question: Use the data given below to answer the following question(s). The worldwide sales of cars from 1981-1990 are shown in the table below. Given: =

Use the data given below to answer the following question(s). The worldwide sales of cars from 1981-1990 are shown in the table below. Given: = 0.2 and = 0.15 (Hint: Use XLMiner)

Year Units sold in thousands
1981 888
1982 900
1983 1000
1984 1200
1985 1100
1986 1300
1987 1250
1988 1150
1989 1100
1990 1200

Identify the value of the mean square error using double exponential smoothing for the given set of data.

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