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Consider the following estimated regression equation:
AUTOt = 0.89 + 1.32 PItThe standard error of the coefficient is 0.42 and the number of observations is 22. The 95 percent confidence interval for the slope coefficient, b1, is: A. {0.444 < b1 < 2.196}. B. {-0.766 < b1 < 3.406}. C. {0.900 < b1 < 1.740}. D. {0.480 < b1 < 2.160}. |