Question: Consider the model Y - B1 + B212 + B3 3 + E. The economist is interested in forecasting Y at values T20, T3,0, that

Consider the model Y - B1 + B212 + B3 3 + E. The economist is interested in forecasting Y at values T20, T3,0, that IS, Yo - Bi | Bozzo | 8323,0. Which of the following increases the precision of the predictor of Yo? Select one: O a, larger error variance o O b. larger sample variance of $2, T3 c. larger correlation between 2 and Is Od. larger distance of 12,0, T3,0 from its sample means 72, 13

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