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Tarrant County
2025 Confidence Interval Detail
Tarrant County
220-906/Grapevine-Colleyville ISD
Category Summary
| (1) Category |
(1) Stratum Number |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|---|
| A | 2 | 3,028,535,240 | 0.8976 | 3,374,036,586 | 150 | 6,914 | 14,499,378,630 |
| A | 3 | 2,986,644,766 | 0.9218 | 3,240,013,849 | 149 | 4,860 | 13,236,380,873 |
| A | 4 | 2,918,211,342 | 0.8811 | 3,312,009,241 | 104 | 3,556 | 39,811,217,892 |
| A | 5 | 3,014,121,950 | 0.8560 | 3,521,170,502 | 88 | 2,137 | 1,163,609,725,008 |
| B | 2 | 731,620,460 | 1.1376 | 643,126,283 | 8 | 25 | 150,523,472,785,478 |
| B | 3 | 773,032,120 | 1.1918 | 648,625,709 | 6 | 13 | 112,231,264,546,261 |
| B | 4 | 630,739,763 | 1.0836 | 582,078,039 | 5 | 8 | 145,115,543,886,654 |
| B | 5 | 893,197,138 | 1.1616 | 768,936,930 | 4 | 8 | 51,890,753,822,871 |
| F1 | 2 | 1,092,599,479 | 1.0083 | 1,083,605,553 | 17 | 686 | 837,313,910,882 |
| F1 | 3 | 1,074,377,101 | 1.0412 | 1,031,864,292 | 17 | 215 | 5,485,491,371,287 |
| F1 | 4 | 1,228,596,473 | 0.9608 | 1,278,722,391 | 15 | 89 | 132,323,435,550,248 |
| F1 | 5 | 1,181,981,041 | 1.0993 | 1,075,212,445 | 6 | 7 | 65,596,659,944,610,112 |
| L1 | 2 | 754,143,767 | 1.0116 | 745,496,013 | 11 | 567 | 3,816,378,389,648 |
| L1 | 3 | 752,464,814 | 0.9971 | 754,653,309 | 10 | 44 | 118,079,169,060,986 |
| L1 | 4 | 694,339,045 | 0.9772 | 710,539,342 | 6 | 11 | 419,812,439,987,954 |
| L1 | 5 | 717,537,846 | 1.0022 | 715,962,728 | 4 | 6 | 842,508,540,831,950 |
| Random Totals: | 22,472,142,345 | 23,486,053,212 | 600 | 19,146 | |||
| CATG D1 EXCEPTION VALUES: | 49,696 | 31,963 | |||||
| CATG J EXCEPTION VALUES: | 201,303,095 | 213,240,379 | |||||
| CATG L1 EXCEPTION VALUES: | 1,380,791,092 | 1,380,791,092 | |||||
| Total Test Values | 24,054,286,228 | 25,080,116,646 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,254,005,832 |
Confidence Interval Values(5)
| Local Test Value: | 24,054,286,228 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 23,826,110,814 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 26,334,122,478 | (State Test Value plus Margin of Error Percent) |
Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values