taxes Property Tax Assistance

2023 Confidence Interval Detail

Zapata County
253-901/Zapata County ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 99,322,396 0.7482 132,748,458 14 2,115 0.170985871
A 100,167,683 0.7628 131,315,788 12 1,065 0.082121616
A 101,686,586 0.9044 112,435,411 12 663 0.023861539
A 104,937,390 0.8632 121,567,875 12 415 0.032528187
E 106,348,667 0.6207 171,336,663 22 2,092 0.170771125
F1 20,169,952 0.8789 22,949,086 12 206 0.039260858
F1 20,643,353 1.0072 20,495,783 12 93 0.001956595
F1 17,857,116 0.9129 19,560,868 12 43 0.053539619
F1 26,761,306 0.9058 29,544,387 12 33 0.142912267
G1 83,953,552 1.0127 82,900,713 15 863 0.001208418
G1 83,646,493 1.0033 83,371,367 15 269 0.000615599
G1 83,748,213 0.9979 83,924,454 15 146 0.000433278
G1 83,670,049 1.0079 83,014,237 15 73 0.001566600
Random Totals: 932,912,756 1,095,165,090 180 8,076
CATG D1 EXCEPTION VALUES: 36,140,583 45,375,944
CATG J EXCEPTION VALUES: 74,624,100 74,536,465
Total Test Values 1,043,677,439 1,215,077,499

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 60,753,875

Confidence Interval Values(5)

Local Test Value: 1,043,677,439 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 1,154,323,624 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,275,831,374 (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