1. Examine the average wage by education and gender table. Why is the average wage for females with 18 years of education higher than that of males with 18 years of education? Why does the average wage for men fall going from 17 to 18 years of education? (Be sure to examine the data!)
   

average hourly earnings Percentiles Smallest 1. 67 53 5% 2.75 1. 43 2.92 1.5 Obs 526 25% 3.33 1.5 Sum of Wgt. 526 50% 4.65 Mean 5. 896103 Largest Sed. Dev. 3.693086 75% 6.88 21 . 86 903 22.2 Variance 13. 63888 95% 13 22 . 86 Skewness 2. 807325 99% 20 24.98 Kurtosis 7. 970083 sum educ, detail years of education Percentiles Smallest 14 5% obs 526 25% 12 Sum of Wot. 526 58% 12 Mean 12.56274 Largest 5td. Dev. 2.769022 75% 14 18 16 18 Variance 7. 667485 95% 17 18 Skewness -. 6195741 99% 18 18 Kurtosis 4. 884245years of =1 if female education H 3.53 WN O 3.75 2.92 3. 17 2.90 3.95 4.05 5.60 3.17 8 5.79 3.43 9 3.43 3. 14 10 4.59 3.26 11 4. 84 3.26 12 6.95 4.19 13 6.73 4.96 14 7.33 4.68 15 6.55 6.01 16 9 . 02 6.13 17 12. 09 7. 62 18 9. 89 12. 40