The CPSdata to re-estimate the difference among average male and female pay. Use for example, the regression

LS LNWAGE C FE

a.  Can you avoid the hypothesis that mean female earnings are higher than mean male earnings at the 5 percent significance level? (This calls for a one-tailed test.) Can you avoid the hypothesis at the 1 percent level.

b.  Can you avoid , at the 5 percent significance level, the hypothesis that the gender earnings differential eqivalent25 percent?

c.  Forget about gender for the moment. Regress log(wage) on age (and a constant, of course). Give a 95 percent confidence interval for the effect of age on lnwage. Give a 99 percent confidence interval.