| 1 | A | B | C | D | E | F | G |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | median regression of earnings by level of study and other covariates |  |  |  |  |  |  |
| 3 |  | college diploma |  |  | university bachelor's degree |  |  |
| 4 |  | coefficient | standard error | percent effect | coefficient | standard error | percent effect |
| 5 | men and women combined |  |  |  |  |  |  |
| 6 | bottom income quintile | 0.877 | 0.047 | 140.3 | 1.211 | 0.046 | 235.7 |
| 7 | second income quintile | 0.564 | 0.031 | 75.8 | 0.861 | 0.031 | 136.5 |
| 8 | third income quintile | 0.432 | 0.034 | 54.0 | 0.706 | 0.031 | 102.7 |
| 9 | fourth income quintile | 0.312 | 0.037 | 36.7 | 0.567 | 0.029 | 76.3 |
| 10 | top income quintile | 0.151 | 0.055 | 16.3 | 0.432 | 0.036 | 54.0 |
| 11 | men |  |  |  |  |  |  |
| 12 | bottom income quintile | 0.634 | 0.052 | 88.6 | 0.904 | 0.051 | 147.0 |
| 13 | second income quintile | 0.377 | 0.040 | 45.8 | 0.632 | 0.040 | 88.2 |
| 14 | third income quintile | 0.243 | 0.039 | 27.6 | 0.471 | 0.037 | 60.1 |
| 15 | fourth income quintile | 0.189 | 0.044 | 20.8 | 0.373 | 0.036 | 45.2 |
| 16 | top income quintile | 0.062 | 0.067 | 6.4 | 0.256 | 0.042 | 29.1 |
| 17 | women |  |  |  |  |  |  |
| 18 | bottom income quintile | 1.427 | 0.112 | 316.4 | 1.805 | 0.108 | 508.1 |
| 19 | second income quintile | 0.844 | 0.065 | 132.6 | 1.214 | 0.063 | 236.6 |
| 20 | third income quintile | 0.790 | 0.074 | 120.4 | 1.147 | 0.067 | 214.8 |
| 21 | fourth income quintile | 0.633 | 0.090 | 88.2 | 0.965 | 0.071 | 162.6 |
| 22 | top income quintile | 0.500 | 0.119 | 64.8 | 0.894 | 0.086 | 144.6 |

Question: what percentage did a university bachelor's degree associating with median earnings per year for youth from families in the bottom income quintile?
Answer: 235.7

Question: what percentage did a university bachelor's degree associating with median earnings per year for youth from families in the top income quintile?
Answer: 54

Question: what percentages did a college education associating with median earnings per year for youth from families in the bottom income quintile and the top income quintile respectively?
Answer: 140.3, 16.3

Question: which group did a college diploma and a university bachelor's degree associating with median earnings per year more,lower-income families or higher-income families?
Answer: bottom income quintile