Question: Consider the following time series data: Month Value (ii) 1 Value 30 23 13 20 12 25 (a) Choose the correct time series plot. (i)

Consider the following time series data: Month Value (ii) 1 Value 30 23 13 20 12 25 (a) Choose the correct time series plot. (i) 20 15 10 5 2 0 3 30 4 1 5 18 2 6 21 7 16 3 4 Month 5 6 7 Hint(s) Check My Work (3

Consider the following time series data: (a) Choose the correct time series plot. What type of pattern exists in the data? b) Develop a three-month moving average for this time series. Compute MSE and a forecast for month 8. If required, round your answers to two decimal places, Do not round intermediate calculation. MSE The forecast for month 8 : (c) Use a=0.2 to compute the exponential smoothing values for the time series. Compute MSE and a forecast for month 8. If required, round your answers to two decimal places. Do not round intermediate calculation. MSE: The forecast for month 8 : (d) Compare the three-month moving average forecast with the exponential smoothing forecast using a =0.2. Which appears to provide the better forecast based on MSt? (e) Use trial and error to find a value of the exponential smoothing coefficient a that results in the smallest MSE. Do not round intermediate calculations. Use a two-decimal digit precision for the exponential smoothing coefficient: a=

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