reg wage educ tenure educXtenure Source SS df MS Number of obs= 526 F( 3, 522)= 82.15 Model2296.41715 3 765.472384 Prob > F= 0.0000 Residual4863.99714 522 9.31800218 R-squared= 0.3207 Total7160.41429 525 13.6388844 Adj R-squared= 0.3168 Root MSE= 3.0525 wage Coef.