SUMMARY OUTPUT Regression Statistics Multiple R 0.885657 R Square 0.784389 Adjusted R Square 0.752836 Standard Error 0.244617 Observations 48 ANOVA df SS MS F Significance F Regression 6 8 925138921 1.487523154 24.85949 3.34212E-12 Residual 41 2.453327038 0.059837245 Total 47 11.37846596 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% ower 95.09/pper 95.0% Intercept 5.87378 7.925450879 0.741128813 0.462839 -10.13199276 21.87955 -10.132 21.87955 In p -2.76654 0.395896526 -6.988042146 1.71E-08 -3.566070864 -1.96701 -3.56607 -1.96701 In Advertising Expenditures 0.630401 0. 168679201 3.73727551 0.000568 0.28974609 0.971055 0.289746 0.971055 In competitor's price 0.56441 0.294781256 1.914675091 0.062529 -0.030912496 1 159733 -0.03091 1.159733 In income -0.28751 0.726951923 -0.395496267 0.694527 -1.755615964 1.180602 -1.75562 1.180602 In population 0.495405 0. 101853286 4 863908961 1.74E-05 0.289708227 0.701102 0.289708 0.701102 In time variable 0.06337 0.057732689 1.097648876 0.278763 -0.05322331 0.179964 -0.05322 0.179964