taxes Property Tax Assistance

2024 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 2 101,138,893 0.7116 142,128,855 12 2,130 0.173207310
A 3 103,469,651 0.7978 129,693,721 16 1,085 0.080745281
A 4 103,437,179 0.8039 128,669,211 15 662 0.055563520
A 5 102,973,798 0.9465 108,794,293 14 402 0.023813785
E 0 109,358,208 0.5616 194,726,154 22 2,054 0.569770770
F1 2 21,330,180 0.9021 23,645,028 10 205 0.223652367
F1 3 21,638,393 0.9720 22,261,721 9 92 0.091472740
F1 4 20,349,057 0.9525 21,363,839 9 44 0.102107583
F1 5 23,623,205 0.6297 37,515,015 7 25 0.642826047
G1 2 33,239,237 0.9927 33,483,668 10 457 0.000222132
G1 3 33,247,752 0.9956 33,394,689 10 180 0.000125767
G1 4 33,102,591 0.9937 33,312,459 10 97 0.000108179
G1 5 32,935,143 1.0064 32,725,699 9 42 0.000262047
Random Totals: 739,843,287 941,714,352 153 7,475
CATG D1 EXCEPTION VALUES: 36,693,275 49,700,751
CATG J EXCEPTION VALUES: 74,085,685 71,601,888
Total Test Values 850,622,247 1,063,016,991

Margin of Error

Margin of Error Percent: 7.2309326
Margin of Error Value: 76,866,042

Confidence Interval Values(5)

Local Test Value: 850,622,247 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 986,150,949 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,139,883,033 (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