Question: SUMMARY OUTPUT Regression Statistics Multiple R 0.9863 R Square 0.9729 Adjusted R Square 0.9593 Standard Error 6.9872 Observations 10 ANOVA df SS MS F Significance
SUMMARY OUTPUT Regression Statistics Multiple R 0.9863 R Square 0.9729 Adjusted R Square 0.9593 Standard Error 6.9872 Observations 10 ANOVA df SS MS F Significance F Regression 3 10497.07165 3499.024 71.66989 4.33211E-05 Residual 6 292.9283486 48.82139 Total 9 10790 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept 205.86 19.35 10.64 0.00 158.50 253.22 PRICE -12.24 1.41 -8.70 0.00 -15.68 -8.80 INCOME 1.41 0.42 3.35 0.02 0.38 2.45 ADVERTISING -3.34 1.80 -1.86 0.11 -7.74 1.06
Estimated regression equation:
Quantity = 205.86 - 12.24 x Price + 1.41 x Income - 3.34 x Advertising
R2 = 0.9729 implies 97.29 percent of the variation in the dependent variable, indicating a very high fitness of the model
Non-linear relationship.
- Select and estimate any form of non-linear relationship.
- Is the estimated demand function "good"? Why or why not? Compare with the linear form above. Elaborate.
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