taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
007/Atascosa
007-901/Charlotte ISD

Category Summary

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

Stratum
Variance
A 6,776,360 1.0019 6,763,509 10 226 .044193770
A 7,181,090 0.9841 7,297,114 9 133 .025051094
A 6,999,530 0.9506 7,363,276 9 90 .010326404
A 6,764,770 0.9537 7,093,184 8 54 .066767361
E 30,791,790 0.9516 32,357,913 15 267 .039462811
G1 14,409,052 1.0880 13,243,614 8 26 .031344924
G1 18,546,560 1.0329 17,955,814 4 8 .049323030
Random Totals: 91,469,152   92,074,424 63 804  
Catg J Exception Values: 4,201,873   4,337,490      
Catg D1 Exception Values: 14,821,399   14,502,276      
Catg G1 Exception Values: 24,548,750   24,096,051      
Total Test Values (4): 135,041,174   135,010,241      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,750,512

Confidence Interval Values (5)

State Lower Limit: 128,259,729 (State Test Value minus Margin of Error Percent)
Local Test Value: 135,041,174 (Within Confidence Interval)
State Upper Limit: 141,760,753 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 206,983,208 (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