Using the 3-year weighted moving average with weights 0.15, 0.30, and 0.55, using 0.55 for the most recent period, provide the forecast from periods 4 through 12 (round your responses to two decimal places).

X Problem 4.2a Question Help The following table shows the actual demand observed over the last 11 years: 1 2 3 4 5 6 7 8 9 10 11 Year Demand 7 10 5 10 12 7 11 14 8 13 7 This exercise contains only parts b, c, and d. b) Using the 3-year moving average, provide the forecast from periods 4 through 12 (round your responses to one decimal place). Year 4 5 6 7 8 9 10 11 12 Forecast 7.3 8.3 9.0 9.7 9.7 10.0 10.7 11.0 1 11.7 9.3 c) Using the 3-year weighted moving average with weights 0.15, 0.30, and 0.55, using 0.55 for the most recent period, provide the forecast from periods 4 through 12 (round your responses to two decimal places). Year 4 5 6 7 8 9 10 11 12 Forecast