From a sample of 209 firms, Wooldridge obtained the following regression results:
se = (0.32) (0.035) (0.0041) (0.00054)
R2 = 0.283 t0.05 = 1.96 F0.05 = 3.32
and where figures in the parentheses are the estimated standard errors.
i. Interpret the preceding regression.
ii. Which of the coefficients are individually statistically significant at the 5% level?
iii. What are R2 = 0.283 implies for?
iv. What is the overall significance of the regression? Which test do you use? And why?