Use the following information from a multiple regression model N 25 b 1 5 b 2 10 S bi 2 Sb 2 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 model: N = 25 b 1 = 5 b 2 = 10 S bi = 2 Sb

Use the following information from a multiple regression model:

N = 25 b₁ = 5 b₂ = 10 S_bi = 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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