taxes Property Tax Assistance

2025 Confidence Interval Detail

Zapata County
253-901/Zapata County 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 2 107,128,267 0.6666 160,708,471 15 2,234 1,021,476,933
A 3 113,893,294 0.9000 126,548,104 15 1,182 1,532,135,963
A 4 111,268,411 0.8570 129,834,785 15 708 1,323,850,469
A 5 131,745,225 0.8429 156,299,947 15 502 57,393,699,657
E 0 106,513,347 0.5918 179,981,999 20 2,082 8,346,486,732
F1 2 19,731,948 0.7179 27,485,650 15 184 2,296,460,460
F1 3 25,884,018 0.8273 31,287,342 15 109 5,578,442,535
F1 4 20,763,198 0.8668 23,953,851 15 44 44,241,138,108
F1 5 33,358,205 1.0055 33,175,738 15 33 372,877,041,016
G1 2 22,349,004 1.0012 22,322,217 10 346 1,058,148,593
G1 3 22,236,011 0.9978 22,285,038 10 131 1,735,418,734
G1 4 22,481,330 0.9990 22,503,834 9 67 16,366,935,449
G1 5 21,862,276 0.9977 21,912,675 8 31 121,744,702,303
Random Totals: 759,214,534 958,299,651 177 7,653
CATG D1 EXCEPTION VALUES: 36,972,258 48,208,819
CATG J EXCEPTION VALUES: 91 118
Total Test Values 796,186,883 1,006,508,588

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 50,325,429

Confidence Interval Values(5)

Local Test Value: 796,186,883 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 956,183,159 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,056,834,017 (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