Question: Study the following Excel multiple regression output. How many predictors are in this model? How many observations? What is the equation of the regression line?

Study the following Excel multiple regression output. How many predictors are in this model? How many observations? What is the equation of the regression line? Discuss the strength of the model in terms F. Which predictors, if any, are significant? Why or why not? Comment on the overall effectiveness of the model. SUMMARY OUTPUT Regression Statistics Multiple R 0.842 R Square 0.710 Adjusted R

SUMMARY OUTPUT Regression Statistics Multiple R 0.842 R Square 0.710 Adjusted R Square 0.630 Standard Error 109.430 Observations 15 ANOVA df SS Regression 3 321946.82 MS 107315.6 F 8.96 Significance F 0.0027 Residual 11 131723.20 11974.8 Total 14 453670.00 Coefficients Standard Error t Stat P-value Intercept 657.0530 167.460 3.92 0.0024 X Variable 1 5.7103 1.792 3.19 0.0087 X Variable 2 -0.4169 0.322 -1.29 0.2222 X Variable 3 -3.4715 1.443 -2.41 0.0349

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