a) Calculate the three-period moving-average forecast for periods 7 through 10. Three-period Period Actual moving average 64 21 84 91 4 97 115 135 137 8. 144 153 10 171 b) Calculate the weighted moving average for periods 7 through 10 using weights of 0.6, 0.3, c 0.1. 02 9 ENG

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