Use the following information from a multiple regression analysis 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, 1 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

Question: Use the following information from a multiple regression analysis: n = 25 b1 = 5 b2 = 10 Sb1 = 2 Sb2 = 8 a.

Use the following information from a multiple regression analysis:
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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