taxes Property Tax Assistance

2017 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 42,912,696 0.9806 43,761,672 15 1,109 .031824619
A 43,930,925 0.9156 47,980,477 15 645 .023843910
A 46,473,856 0.9506 48,888,971 15 444 .019956032
A 65,526,133 1.0257 63,884,306 15 327 .030955697
E 31,417,037 0.9605 32,709,044 20 371 .053838148
F1 9,714,972 0.9639 10,078,817 15 94 .036811962
F1 9,683,739 0.9842 9,839,198 13 32 .003102863
F1 10,392,542 0.9082 11,443,010 8 13 .030617484
F1 5,063,972 0.9026 5,610,428 2 2 .025417085
L1 3,721,525 1.0860 3,426,819 15 81 .146111179
L1 4,571,212 1.0408 4,392,018 10 22 .030370703
L1 5,688,879 0.9754 5,832,355 4 6 .002670921
Random Totals: 279,097,488   287,847,115 147 3,146  
Catg J Exception Values: 18,871,000   18,488,161      
Catg D1 Exception Values: 17,852,975   11,999,901      
Catg L1 Exception Values: 2,723,040   2,761,646      
Total Test Values (4): 318,544,503   321,096,823      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 16,054,841

Confidence Interval Values (5)

State Lower Limit: 305,041,982 (State Test Value minus Margin of Error Percent)
Local Test Value: 318,544,503 (Within Confidence Interval)
State Upper Limit: 337,151,664 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 300,668,884 (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, 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
(6) Includes local value of unstudied property categories and sub-categories