Question: Given the demand data that follow, prepare a naive forecast for periods 2 through 10. Then, determine each forecast error, and use those values to

Given the demand data that follow, prepare a naive forecast for periods 2 through 10. Then, determine each forecast error, and use those values to obtain 2s control limits. If demand in the next two periods turns out to be 125 and 130, can you conclude that the forecasts are in control?

Period: 1 Demand: 118 2 117 3 120 4 119 5 6

Period: 1 Demand: 118 2 117 3 120 4 119 5 6 126 122 7 8 9 117 123 121 10 124

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