Question: i need new answer on excel 1- The following time series shows the sales of a particular product over the past 12 months. Month 2

i need new answer on excel 1- The following time
i need new answer on excel
1- The following time series shows the sales of a particular product over the past 12 months. Month 2 3 4 5 6 - Clio Sales 105 135 120 105 90 120 Month 7 8 9 10 11 12 Sales 145 140 100 80 100 110 a. Construct a time series plot. What type of pattern exists in the data? b. Use a = 0.3 to compute the exponential smoothing values for the time series. c. Use trial and error to find a value of the exponential smoothing coefficient a that results in a relatively small MSE

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