Which of the following is NOT true about forecasting with a trend component? The sample coefficient of determination, r^2, measures the amount of variation in the dependent variable about its mean that is explained by the regression line Time-series methods (simple moving average, weighted moving average, exponential smoothing, etc.) will be not biased when a systematic increase or decrease exists in the average over time The forecast can be improved by calculating an estimate of the trend Trend projection can be done with simple or multiple regression analysis
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Which of the following is NOT true about forecasting with a trend component? The sample coefficient...
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