The data file contains actual cost and output data for TVA non-hydroelectric plants in 2003. Use this data file to run a linear regression as specified below. Have the computer program plot the actual vs. predicted values of the dependent variable

a. Which coefficients (including the constant) are statistically significant at the 10% level or better? Which are not significant?

b. How much of the variation in the dependent variable is explained by the estimated equation?

c. Is the equation as a whole statistically significant? At what level?

d. Is the estimated average variable cost curve U-shaped? Why?

Answer rating: 100% (QA)

Dependent Variable AVC Explanatory Variables Q QSQ a To check results are reliable sta... View the full answer