|
| FEDERAL RETURN DATA |
| STATISTICAL DISTRIBUTION OF AGI, PERSONAL EXEMPTIONS AND FEDERAL TAXES |
| 1998 |
| ALL | SINGLE | HEAD OF | MARRIED | MARRIED |
| | | HOUSEHOLD | JOINT | SEPARATE |
| ADJUSTED GROSS INCOME |
| NUMBER OF NONMISSING VALUES | 887,671 | 380,342 | 80,795 | 413,603 | 12,931 |
| THE MEAN | $38,998 | $17,201 | $25,253 | $61,969 | $31,234 |
| THE SUM | $34,616,993,974 | $6,542,175,871 | $2,040,316,010 | $25,630,619,141 | $403,882,952 |
| THE STANDARD DEVIATION | $189,292 | $81,662 | $247,122 | $234,158 | $310,108 |
| THE UPPER QUARTILE | $49,132 | $22,126 | $29,874 | $69,420 | $31,573 |
| THE MEDIAN | $25,067 | $11,049 | $18,918 | $47,382 | $19,127 |
| THE LOWER QUARTILE | $10,454 | $4,540 | $11,392 | $29,429 | $9,312 |
| THE 90TH PERCENTILE | $76,506 | $36,684 | $44,283 | $99,708 | $47,396 |
| THE 10TH PERCENTILE | $3,697 | $1,917 | $6,158 | $17,005 | $3,431 |
|
|
| PERSONAL EXEMPTIONS |
| NUMBER OF NONMISSING VALUES | 887,671 | 380,342 | 80,795 | 413,603 | 12,931 |
| THE MEAN | 2.22 | 0.72 | 2.52 | 3.56 | 1.46 |
| THE SUM | 1,967,873 | 273,293 | 203,747 | 1,471,900 | 18,933 |
| THE STANDARD DEVIATION | 2 | 1 | 1 | 2 | 1 |
| THE UPPER QUARTILE | 3 | 1 | 3 | 5 | 2 |
| THE MEDIAN | 2 | 1 | 2 | 3 | 1 |
| THE LOWER QUARTILE | 1 | 0 | 2 | 2 | 1 |
| THE 90TH PERCENTILE | 5 | 1 | 4 | 6 | 3 |
| THE 10TH PERCENTILE | 0 | 0 | 2 | 2 | 1 |
|
|
| FEDERAL INCOME TAX |
| NUMBER OF NONMISSING VALUES | 887,671 | 380,342 | 80,795 | 413,603 | 12,931 |
| THE MEAN | $4,674 | $1,985 | $1,977 | $7,669 | $4,793 |
| THE SUM | $4,148,559,863 | $755,019,659 | $159,713,787 | $3,171,844,819 | $61,981,598 |
| THE STANDARD DEVIATION | $50,022 | $20,614 | $48,066 | $66,254 | $62,347 |
| THE UPPER QUARTILE | $4,069 | $2,126 | $1,887 | $6,426 | $3,004 |
| THE MEDIAN | $1,474 | $619 | $321 | $3,224 | $1,429 |
| THE LOWER QUARTILE | $47 | $0 | $0 | $893 | $189 |
| THE 90TH PERCENTILE | $8,811 | $4,202 | $3,941 | $13,560 | $6,569 |
| THE 10TH PERCENTILE | $0 | $0 | $0 | $0 | $0 |