taxes Property Tax Assistance

2019 Confidence Interval Detail

Willacy County
245-904/San Perlita ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 12,885,700 0.8225 15,666,505 15 290 0.034109008
A 12,913,994 0.9234 13,985,265 15 136 0.137117149
A 13,410,978 1.0087 13,295,309 14 88 0.053730667
A 12,369,835 1.2135 10,193,519 11 50 0.004845552
L1 1,373,543 1.0252 1,339,781 8 31 0.002482527
L1 199,739,472 1.0000 199,739,472 1 1 0.000000000
Random Totals: 252,693,522 254,219,851 64 596
CATG D1 EXCEPTION VALUES: 14,750,444 18,707,849
CATG J EXCEPTION VALUES: 6,460,190 6,560,692
Total Test Values(2) 273,904,156 279,488,392

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,974,420

Confidence Interval Values(5)

Local Test Value: 273,904,156 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 265,513,972 (State Test Value minus Margin of Error Percent)
State Upper Limit: 293,462,812 (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