taxes Property Tax Assistance

2019 Confidence Interval Detail

San Patricio County
205-904/Mathis ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 46,256,198 0.9755 47,417,937 15 1117 0.051563127
A 50,025,790 0.8015 62,415,209 13 660 0.066424494
A 52,591,045 0.8924 58,932,144 14 438 0.033484071
A 47,184,156 0.9504 49,646,629 15 200 0.012506371
E 34,554,665 0.9860 35,045,299 20 333 0.035037494
F1 9,543,312 0.8991 10,614,294 10 95 0.037081242
F1 8,153,065 0.9668 8,433,042 8 31 0.001655949
F1 9,122,608 0.9154 9,965,707 7 14 0.057778002
F1 9,695,079 0.9867 9,825,762 3 4 0.000293772
Random Totals: 267,125,918 292,296,023 105 2,892
CATG D1 EXCEPTION VALUES: 18,364,643 14,873,083
CATG J EXCEPTION VALUES: 21,600,880 21,486,866
Total Test Values(2) 307,091,441 328,655,972

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 16,432,799

Confidence Interval Values(5)

Local Test Value: 307,091,441 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 312,223,173 (State Test Value minus Margin of Error Percent)
State Upper Limit: 345,088,771 (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