a. What is the sample regression equation? b. Comment on the adequacy of this sample regression equation and predicting the response variable, y. Use 10% level of significance.

Consider the following sample data for a response variable y and a predictor variable x X 15 13 12 5 9 14 8 12 14 6 11 9 An estimated regression equation of the form y = bo + bit was developed for the above data and the results are shown below. Regression Statistics Multiple R 0. 3521 R Square 0. 1240 Adjusted R Square -0. 0950 Standard Error 3.0329 Observations 6 ANOVA Significance df SS MS F F Regression 1 5. 2067 5. 2067 0. 5661 0. 4937 Residual 4 36. 7933 9. 1983 Total 5 42 Coefficients Standard Error t Stat P-value Intercept 6. 8942 4. 3097 1. 5997 0. 1849 X 0. 2740 0. 3642 0. 7524 0. 4937 a. What is the sample regression equation? b. Comment on the adequacy of this sample regression equation in predicting the response variable y. Use 10% level of significance