The county assessor feels that the use of more independent variables in the regression equation might improve
Question:
a. Using a computer regression program, determine the estimated regression equation with the four explanatory variables shown in the following table.
b. Give an economic interpretation of each of the estimated regression coefficients.
c. Which of the independent variables (if any) is statistically significant (at the .05 level) in explaining selling price?
d. What proportion of the total variation in selling price is explained by the regression model?
e. Perform an F-test (at the 5 percent significance level) of the overall explanatory power of the model.
f. Construct an approximate 95 percent prediction interval for the selling price of a 15-year-old house having 1,800 square feet, 7 rooms, and an attachedgarage.
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Related Book For
Managerial economics applications strategy and tactics
ISBN: 978-1439079232
12th Edition
Authors: James r. mcguigan, R. Charles Moyer, frederick h. deb harris
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