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Brewster County
2025 Confidence Interval Detail
Brewster County
022-901/Alpine 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 | 152,406,092 | 0.8733 | 174,517,453 | 15 | 1,167 | 3,439,298,090 |
| A | 3 | 145,720,069 | 1.0160 | 143,425,265 | 15 | 605 | 2,218,939,667 |
| A | 4 | 146,857,061 | 1.0122 | 145,087,000 | 15 | 435 | 1,871,542,944 |
| A | 5 | 171,708,411 | 1.0051 | 170,837,142 | 15 | 297 | 71,581,986,403 |
| E | 0 | 138,566,575 | 1.0261 | 135,041,979 | 20 | 6,307 | 85,543,927,286 |
| F1 | 2 | 34,721,215 | 0.6646 | 52,243,778 | 10 | 190 | 42,840,855,597 |
| F1 | 3 | 40,460,953 | 0.9079 | 44,565,429 | 9 | 86 | 12,394,844,158 |
| F1 | 4 | 37,621,506 | 0.9328 | 40,331,803 | 7 | 25 | 1,307,700,951,626 |
| F1 | 5 | 23,426,725 | 0.9116 | 25,698,470 | 4 | 5 | 5,116,878,500,967 |
| Random Totals: | 891,488,607 | 931,748,319 | 110 | 9,117 | |||
| CATG D1 EXCEPTION VALUES: | 18,479,410 | 19,704,572 | |||||
| Total Test Values | 909,968,017 | 951,452,891 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 47,572,645 |
Confidence Interval Values(5)
| Local Test Value: | 909,968,017 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 903,880,246 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 999,025,536 | (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