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Brewster County
2025 Confidence Interval Detail
Brewster County
022-902/Marathon 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 | 9,629,404 | 1.0745 | 8,961,753 | 15 | 110 | 1,285,726,912 |
| A | 3 | 10,378,733 | 1.2032 | 8,625,942 | 15 | 67 | 986,644,095 |
| A | 4 | 11,351,623 | 1.2673 | 8,957,329 | 15 | 50 | 4,201,263,153 |
| A | 5 | 15,796,955 | 1.3560 | 11,649,672 | 15 | 41 | 42,226,848,429 |
| E | 0 | 18,792,745 | 0.3752 | 50,087,273 | 20 | 517 | 285,384,117 |
| F1 | 2 | 13,968,793 | 0.4545 | 30,734,418 | 15 | 45 | 15,646,251,916,040 |
| Random Totals: | 79,918,253 | 119,016,387 | 95 | 830 | |||
| CATG D1 EXCEPTION VALUES: | 13,574,196 | 14,469,560 | |||||
| Total Test Values | 93,492,449 | 133,485,947 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 6,674,297 |
Confidence Interval Values(5)
| Local Test Value: | 93,492,449 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 126,811,650 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 140,160,244 | (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