taxes Property Tax Assistance

2021 Confidence Interval Detail

Brewster County
022-004/Terlingua CSD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 9,812,882 1.0143 9,674,536 15 232 0.065832746
A 9,044,409 1.0750 8,413,404 14 104 0.023700708
A 11,298,081 1.0603 10,655,551 15 86 0.018721090
A 16,829,641 1.0264 16,396,766 15 58 0.102848378
E 31,499,181 0.6275 50,197,898 18 3,191 0.631306477
F1 6,184,260 1.0038 6,160,849 15 41 0.002690886
F1 5,813,665 0.9952 5,841,485 9 16 0.003240038
Random Totals: 90,482,119 107,340,489 101 3,728
CATG D1 EXCEPTION VALUES: 232,386 246,257
CATG F1 EXCEPTION VALUES: 3,718,412 3,838,076
Total Test Values 94,432,917 111,424,822

Margin of Error

Margin of Error Percent: 16.8873121
Margin of Error Value: 18,816,657

Confidence Interval Values(5)

Local Test Value: 94,432,917 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 92,608,165 (State Test Value minus Margin of Error Percent)
State Upper Limit: 130,241,479 (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