Use the following information from a multiple regression analysis n 20 b1 4 b2 3 Sb1 1 2 Sb2 0 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 = 20 b1 = 4 b2 = 3 Sb1 = 1.2 Sb2 = 0.8 a.

Use the following information from a multiple regression analysis:
n = 20 b1 = 4 b2 = 3 Sb1 = 1.2 Sb2 = 0.8
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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a The slope of X 2 in terms ofthe t statistic is 37... View full answer

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