Question

Use the following information from a multiple regression analysis. n = 25 b1 = 6 b2 = 2 Sb1 = 1.3 Sb2 = 0.6 a. Which variable has the largest slope, in units of a t statistic? b. Construct a 95% confidence interval estimate of the population slope, ??. c. At the 0.05 level of significance, determine whether each independent variable makes a significant contribution to the regression results, indicate the independent variables to include in this model. Reach a conclusion. Choose the correct answer below. A. Reject H0. There is not sufficient evidence that X2 makes a significant contribution to the regression model. B. Do not reject H0. There is not sufficient evidence that X2 makes a significant contribution to the regression model. C. Reject H0. There is sufficient evidence that X2 makes a significant contribution to the regression model. D. Do not reject H0. There is sufficient evidence that X2 makes a significant contribution to the regression model. On the basis of these results, which of the independent variables should be included in this model?

          Use the following information from a multiple regression analysis.
n = 25 b1 = 6 b2 = 2 Sb1 = 1.3 Sb2 = 0.6
a. Which variable has the largest slope, in units of a t statistic?
b. Construct a 95% confidence interval estimate of the population slope, ??.
c. At the 0.05 level of significance, determine whether each independent variable makes a significant contribution to the regression results, indicate the independent variables to include in this model.
Reach a conclusion. Choose the correct answer below.
A. Reject H0. There is not sufficient evidence that X2 makes a significant contribution to the regression model.
B. Do not reject H0. There is not sufficient evidence that X2 makes a significant contribution to the regression model.
C. Reject H0. There is sufficient evidence that X2 makes a significant contribution to the regression model.
D. Do not reject H0. There is sufficient evidence that X2 makes a significant contribution to the regression model.
On the basis of these results, which of the independent variables should be included in this model?

Use the following information from a multiple regression analysis.
n = 25 b1 = 6 b2 = 2 Sb1 = 1.3 Sb2 = 0.6
a. Which variable has the largest slope, in units of a t statistic?
b. Construct a 95% confidence interval estimate of the population slope, ??.
c. At the 0.05 level of significance, determine whether each independent variable makes a significant contribution to the regression results, indicate the independent variables to include in this model.
Reach a conclusion. Choose the correct answer below.
A. Reject H0. There is not sufficient evidence that X2 makes a significant contribution to the regression model.
B. Do not reject H0. There is not sufficient evidence that X2 makes a significant contribution to the regression model.
C. Reject H0. There is sufficient evidence that X2 makes a significant contribution to the regression model.
D. Do not reject H0. There is sufficient evidence that X2 makes a significant contribution to the regression model.
On the basis of these results, which of the independent variables should be included in this model?

Added by Virginia R.

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