taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
247/Wilson
247-906/Stockdale ISD

Category Summary

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

Stratum
Variance
A 16,708,000 1.0417 16,039,167 10 384 .024353840
A 16,301,390 1.0216 15,956,725 10 200 .003506849
A 15,166,030 0.9957 15,231,526 9 129 .013124613
A 16,535,580 0.9778 16,911,004 9 84 .037889343
E 83,716,259 0.9620 87,023,138 15 1,082 .038131066
Random Totals: 148,427,259   151,161,560 53 1,879  
Catg D1 Exception Values: 11,538,016   8,595,530      
Total Test Values (4): 159,965,275   159,757,090      

Margin of Error

Margin of Error Percent: 5.7752041
Margin of Error Value: 9,226,298

Confidence Interval Values (5)

State Lower Limit: 150,530,792 (State Test Value minus Margin of Error Percent)
Local Test Value: 159,965,275 (Within Confidence Interval)
State Upper Limit: 168,983,388 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 189,350,038 (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