taxes Property Tax Assistance

2022 Confidence Interval Detail

Brewster County
022-901/Alpine ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 109,906,426 0.6876 159,840,643 15 1,098 0.096968622
A 108,973,704 0.8113 134,319,862 17 576 0.053348643
A 108,194,973 0.9617 112,503,871 23 416 0.007954139
A 199,644,344 0.9828 203,138,323 23 465 0.018553068
E 72,507,869 0.5891 123,082,446 45 6,257 0.402482569
F1 22,194,823 1.0273 21,605,006 10 148 0.003163635
F1 21,091,771 1.0154 20,771,884 9 53 0.000832475
F1 23,516,530 0.8594 27,363,893 6 18 0.012534003
F1 21,556,205 0.9539 22,597,971 4 5 0.029367045
Random Totals: 687,586,645 825,223,899 152 9,036
CATG D1 EXCEPTION VALUES: 18,693,396 20,832,583
Total Test Values 706,280,041 846,056,482

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 42,302,824

Confidence Interval Values(5)

Local Test Value: 706,280,041 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 803,753,658 (State Test Value minus Margin of Error Percent)
State Upper Limit: 888,359,306 (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