Descriptive statistics
| Mean | St. dev. | |
|---|---|---|
| Income | ||
| Less than $10,000 | 0.06 | 0.24 |
| $10,000 – $19,999 | 0.15 | 0.36 |
| $20,000 – $29,999 | 0.15 | 0.36 |
| $30,000 – $39,99 | 0.07 | 0.26 |
| $40,000 – $49,999 | 0.08 | 0.28 |
| $50,000 – $59,999 | 0.10 | 0.30 |
| $60,000 – $69,999 | 0.09 | 0.28 |
| $70,000 – $79,999 | 0.09 | 0.29 |
| $80,000 – $89,999 | 0.05 | 0.21 |
| $90,000 – $99,999 | 0.09 | 0.29 |
| $100,000 – $149,999 | 0.02 | 0.16 |
| More than $150,000 | 0.11 | 0.31 |
| Family | ||
| Number of family members | 2.5 | 1.5 |
| One or more than one brother | 0.37 | 0.48 |
| No brother | 0.63 | 0.48 |
| One or more than one sister | 0.40 | 0.49 |
| No sister | 0.59 | 0.49 |
| Mean | St. dev. | |
|---|---|---|
| Less than $10,000 | 0.06 | 0.24 |
| $10,000 – $19,999 | 0.15 | 0.36 |
| $20,000 – $29,999 | 0.15 | 0.36 |
| $30,000 – $39,99 | 0.07 | 0.26 |
| $40,000 – $49,999 | 0.08 | 0.28 |
| $50,000 – $59,999 | 0.10 | 0.30 |
| $60,000 – $69,999 | 0.09 | 0.28 |
| $70,000 – $79,999 | 0.09 | 0.29 |
| $80,000 – $89,999 | 0.05 | 0.21 |
| $90,000 – $99,999 | 0.09 | 0.29 |
| $100,000 – $149,999 | 0.02 | 0.16 |
| More than $150,000 | 0.11 | 0.31 |
| Number of family members | 2.5 | 1.5 |
| One or more than one brother | 0.37 | 0.48 |
| No brother | 0.63 | 0.48 |
| One or more than one sister | 0.40 | 0.49 |
| No sister | 0.59 | 0.49 |
Source(s): Author's own work