taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
118/Irion
118-902/Irion County ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 8,657,770 0.8356 10,361,142 13 181 .103348952
A 10,360,700 0.8681 11,934,915 10 114 .071755230
A 10,235,320 0.9103 11,243,898 10 73 .038583532
A 20,306,460 0.9619 21,110,781 8 88 .008361088
G1 163,424,711 1.0571 154,597,210 11 283 .040285631
G1 163,393,981 1.0203 160,143,077 8 51 .003121167
G1 162,066,831 1.0200 158,889,050 7 23 .003215643
G1 161,251,549 0.9930 162,388,267 5 9 .004710820
Random Totals: 699,697,322   690,668,340 72 822  
Catg J Exception Values: 1,319,640   1,531,446      
Catg D1 Exception Values: 16,097,600   27,250,112      
Total Test Values (4): 717,114,562   719,449,898      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 35,972,495

Confidence Interval Values (5)

State Lower Limit: 683,477,403 (State Test Value minus Margin of Error Percent)
Local Test Value: 717,114,562 (Within Confidence Interval)
State Upper Limit: 755,422,393 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 877,625,061 (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