Hudson Marine has been an authorized dealer for C&D marine radios for the past seven years. Suppose the quarterly sales values for the seven years of historical data are as follows. Total Yearly Year Quarter 1 Quarter 2 Quarter 3. Quarter 4 Sales 1 4 14 9 3 30 2 10 16 14 6 46 3 16 27 24 13 80 4 5 6 7 41 222 17 29 29 24 17 87 21 32 26 19 98 24 37 31 21 113 29 38 34 29 130 a. Compute the centered moving average values (Four-Quarter Moving Average) for this time series (to 3 decimals). a. Compute the centered moving average values (Four-Quarter Moving Average) for this time series (to 3 decimals), Centered Moving t 1 Sales 4 2 14 3 9 4 3 5 10 n 10 7 14 8 9 10 11 12 13 14 18 16 17 20 20 19 21 24 22 23 24 21 29 20 38 27 34 29 6 16 27 24 17 20 24 17 21 32 26 Average b. Choose a time series plot that also shows the centered moving average and original time series on the same graph. Discuss the differences between the original time series plot and the centered moving average time series 1 Sules 35 30 25 201 15 10 5 Sales 35 AAAAAAA Sale 10 Year ICMA 20 25 20 15 10 st 25 Year Sales 95 30 25 20 15 20 15 Sales $86222 25 20 15 10 Sales ICMA AAAAAAYA Sales AAA ICMA The centered moving average values -Select your answer c. Compute the seasonal indexes for the four quarters (to 3 decimals). Adjusted Seasonal Index Quarter 1 2 3 d. When does Hudson Marine experience the largest seasonal effect? Hudson Marine experiences the largest seasonal increase in quarter Does this result seem reasonable? This Select your answer The largest seasonal effect is the seasonal decrease in quarter