taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
007/Atascosa
015-909/Somerset ISD

Category Summary

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

Stratum
Variance
A 17,945,958 0.9534 18,823,115 11 587 .049453706
A 20,121,903 0.9256 21,739,307 10 350 .116548609
A 19,133,400 1.0285 18,603,209 9 221 .037238327
A 17,334,800 0.9438 18,367,027 9 109 .041587667
E 25,988,831 0.9424 27,577,282 15 500 .046392584
Random Totals: 100,524,892   105,109,940 54 1,767  
Catg D1 Exception Values: 1,078,052   960,977      
Total Test Values (4): 101,602,944   106,070,917      

Margin of Error

Margin of Error Percent: 6.5641584
Margin of Error Value: 6,962,663

Confidence Interval Values (5)

State Lower Limit: 99,108,254 (State Test Value minus Margin of Error Percent)
Local Test Value: 101,602,944 (Within Confidence Interval)
State Upper Limit: 113,033,580 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 99,111,037 (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