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 0.7920 126,474,347 12 1,065 0.093677059
A 101,686,586 0.9368 108,546,740 12 663 0.017304792
A 104,937,390 0.8657 121,216,807 12 415 0.032241610
E 106,348,667 0.7061 150,614,172 21 2,092 0.089695232
F1 20,169,952 1.0061 20,047,661 12 206 0.008361657
F1 20,643,353 1.0195 20,248,507 12 93 0.002428046
F1 17,857,116 1.0038 17,789,516 12 43 0.018539077
F1 26,761,306 1.0115 26,457,050 12 33 0.102268605
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 1,057,354,029 179 8,076
CATG D1 EXCEPTION VALUES: 36,352,990 45,642,964
CATG J EXCEPTION VALUES: 74,624,100 74,536,465
Total Test Values 1,043,889,846 1,177,533,458

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 58,876,673

Confidence Interval Values(5)

Local Test Value: 1,043,889,846 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 1,118,656,785 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,236,410,131 (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