taxes Property Tax Assistance

2025 Confidence Interval Detail

Brewster County
022-004/Terlingua CSD

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 19,596,646 0.9086 21,567,957 15 264 1,706,360,347
A 3 14,483,121 1.1703 12,375,563 15 93 1,184,660,118
A 4 16,142,060 1.3183 12,244,603 15 64 2,896,154,506
A 5 18,295,561 1.5196 12,039,722 15 35 142,530,093,860
E 0 69,219,557 0.8109 85,361,397 20 3,375 635,539,424
F1 2 18,586,847 1.0690 17,387,135 18 89 22,485,370,042
F1 3 15,391,441 0.7214 21,335,516 17 23 348,956,297,670
F1 4 11,015,649 1.0331 10,662,713 7 8 280,378,121,638
Random Totals: 182,730,882 192,974,606 122 3,951
CATG D1 EXCEPTION VALUES: 211,612 225,351
CATG F1 EXCEPTION VALUES: 10,440,794 11,616,344
Total Test Values 193,383,288 204,816,301

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 10,240,815

Confidence Interval Values(5)

Local Test Value: 193,383,288 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 194,575,486 (State Test Value minus Margin of Error Percent)
State Upper Limit: 215,057,116 (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