Question Description
Use the SocWork data. Delete observations with 20-year work experience.
Conduct a two-tailed F-test for heteroscedasticity. Divide the data using 20-year work experience as the borderline.
- What is the value of the F-statistics? (please take 3 d.p.)
- Do we have evidence to conclude there is heteroscedasticity at 1% significance level?
- Yes
- No