Use the following information from a multiple regression analysis n 25 b1 5 b2 10 Sb1 2 Sb2 8 1 Which variable has the largest slope, in units of a t statistic 2 Construct a 95 confidence interval estimate of the population slope, 1 3 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 Explain

Question: Use the following information from a multiple regression analysis: n = 25 b1 = 5 b2 = 10 Sb1 = 2 Sb2 = 8 1.

Use the following information from a multiple regression analysis:

n = 25 b1 = 5 b2 = 10 Sb1 = 2 Sb2 = 8

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

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

3. 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. Explain

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