Question: The time series regression model contains a variable W and a regression equation of y = 200 + W + 2W 2 to forecast future

The time series regression model contains a variable W and a regression equation of y = 200 + W + 2W² to forecast future values. If W represents a time period, what is the forecast for time period 2 and the forecast error if the actual value for time period 2 is 100? Select the best answer.

		forecast value = 210; forecast error is 110
		forecast value = 210; forecast error is -110
		forecast value = 210; forecast error is 0
		forecast value = 100; forecast error is 0

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