taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
205/San Patricio
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 43,951,023 0.9582 45,868,319 7 1,171 .064815798
A 38,492,182 0.9956 38,662,296 7 603 .021299521
A 44,910,021 1.0110 44,421,386 10 471 .153967484
A 51,720,066 0.8884 58,217,094 7 294 .035118036
E 23,082,721 0.8184 28,204,693 10 279 .154468729
F1 8,001,610 1.1564 6,919,414 9 98 .104120913
F1 6,234,649 1.2475 4,997,715 7 28 .046217619
F1 10,482,562 0.9644 10,869,517 6 21 .158211209
L1 5,572,501 0.9722 5,731,846 8 113 .083066679
L1 3,964,866 0.7255 5,465,012 7 14 .659044274
L1 4,378,692 1.0292 4,254,462 3 4 .002522730
Random Totals: 240,790,893   253,611,754 81 3,096  
Catg J Exception Values: 16,518,220   16,239,715      
Catg D1 Exception Values: 18,597,337   17,725,983      
Catg F1 Exception Values: 6,571,112   5,166,325      
Catg L1 Exception Values: 2,272,317   2,345,732      
Total Test Values (4): 284,749,879   295,089,509      

Margin of Error

Margin of Error Percent: 6.2765888
Margin of Error Value: 18,521,555

Confidence Interval Values (5)

State Lower Limit: 276,567,954 (State Test Value minus Margin of Error Percent)
Local Test Value: 284,749,879 (Within Confidence Interval)
State Upper Limit: 313,611,064 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 323,070,099 (See ISD Summary Worksheet)

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, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories