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Omitting the ninth observation, a person with 21 years of education and wage rate $30.76, and reestimating the model we find = 14.25 and an

Omitting the ninth observation, a person with 21 years of education and wage rate $30.76, and reestimating the model we find = 14.25 and an estimated slope of 2.470095. Calculate DFBETAS for this observation. Should it be considered large

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