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The Results of a Quadratic Model Fit to Time Series y~t\tilde { y } _ { t }

Question 61

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The results of a quadratic model fit to time series data were y~t\tilde { y } _ { t } = 8.5 - 0.25t + 2.5t2,where t = 1 for 1998.The forecasted value for 2005 is 129.25.

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