taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
082/Frio
163-901/Devine ISD

Category Summary

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

Stratum
Variance
E 20,425,420 1.0316 19,799,748 15 258 .022258561
G1 1,867,500 1.0174 1,835,561 6 18 .112904215
G1 1,318,450 0.9773 1,349,074 2 3 .002305678
G1 1,861,840 1.0357 1,797,663 2 3 .018822478
Random Totals: 25,473,210   24,782,046 25 282  
Catg D1 Exception Values: 4,977,280   4,696,546      
Catg G1 Exception Values: 1,148,530   1,100,376      
Total Test Values (4): 31,599,020   30,578,968      

Margin of Error

Margin of Error Percent: 5.2606223
Margin of Error Value: 1,608,644

Confidence Interval Values (5)

State Lower Limit: 28,970,324 (State Test Value minus Margin of Error Percent)
Local Test Value: 31,599,020 (Within Confidence Interval)
State Upper Limit: 32,187,612 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 40,752,703 (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