Question: Given n = 25, b1 = 5, b2 = 10, Sb1 = 2, Sb2 = 8: a. Which variable has the largest slope in units

Given n = 25, b1 = 5, b2 = 10, Sb1 = 2, Sb2 = 8:

a. Which variable has the largest slope in units of a t statistic?

b. Construct a 95% confidence interval estimate of the population slope, β1.

c. At the 0.05 level of significance, determine whether each independent variable makes a significant contribution to the regression model. On the basis of these results, indicate the independent variables to include in this model.

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