Question: A persistent tendency for forecasts to be greater than or less than the actual values is called: A. bias. B. tracking C. variation D. positive

A persistent tendency for forecasts to be greater than or less than the actual values is called: A. bias. B. tracking C. variation D. positive correlation. E. linear regression. 15. (NOTE: 4 points) Given the following historical data and weights of W.-20.4, W1-3=0.3, and W-4=0.3, what is the three-period non-weighted moving average forecast for period 5? (Show your work) Period Value Period Value 1 138 148 2 142 144 116. (NOTE: 3 points) Given forecast errors of -5, -25, and +15, what is the MAD? (Show your work) A. O. 5+2 5+15=45/3 = 15 B.-15

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