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Tarrant County
2019 Confidence Interval Detail
Tarrant County
220-917/Castleberry ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 98,215,589 | 0.9234 | 106,362,994 | 18 | 1178 | 0.043354895 |
| A | 142,503,392 | 0.9529 | 149,547,058 | 20 | 1305 | 0.014075444 |
| A | 210,732,193 | 0.9976 | 211,239,167 | 39 | 1517 | 0.016070962 |
| A | 339,190,089 | 1.0058 | 337,234,131 | 80 | 1554 | 0.025917714 |
| B | 10,983,024 | 0.6631 | 16,563,149 | 9 | 115 | 0.013745440 |
| B | 9,491,345 | 0.9148 | 10,375,322 | 10 | 35 | 0.040988025 |
| B | 10,550,957 | 0.8379 | 12,592,143 | 2 | 5 | 0.033684644 |
| F1 | 22,094,176 | 0.7715 | 28,637,947 | 9 | 106 | 0.084931053 |
| F1 | 27,289,588 | 0.8430 | 32,371,991 | 9 | 50 | 0.029447244 |
| F1 | 25,365,421 | 0.7698 | 32,950,664 | 6 | 20 | 0.040866359 |
| F1 | 38,984,024 | 0.9189 | 42,425,126 | 8 | 9 | 0.090727906 |
| Random Totals: | 935,399,798 | 980,299,692 | 210 | 5,894 | ||
| CATG B EXCEPTION VALUES: | 65,030,000 | 70,462,383 | ||||
| CATG D1 EXCEPTION VALUES: | 1,446 | 1,816 | ||||
| Total Test Values(2) | 1,000,431,244 | 1,050,763,891 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 52,538,195 |
Confidence Interval Values(5)
| Local Test Value: | 1,000,431,244 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 998,225,696 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,103,302,086 | (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