taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
212/Smith
092-901/Gladewater ISD

Category Summary

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

Stratum
Variance
A 8,549,970 0.9266 9,227,250 10 197 .026482265
A 9,391,218 0.9901 9,485,121 9 112 .011930805
A 8,835,092 1.0112 8,737,235 9 68 .004616021
A 10,367,179 1.0045 10,320,736 8 51 .004244746
E 36,667,837 1.0008 36,638,526 15 535 .004082204
G1 5,722,090 0.9714 5,890,560 11 23 .008377274
L1 1,634,031 0.9960 1,640,593 8 40 .003480910
Random Totals: 81,167,417   81,940,021 70 1,026  
Catg D1 Exception Values: 4,085,735   3,321,848      
Catg L1 Exception Values: 6,665,400   6,683,607      
Total Test Values (4): 91,918,552   91,945,476      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 4,597,274

Confidence Interval Values (5)

State Lower Limit: 87,348,202 (State Test Value minus Margin of Error Percent)
Local Test Value: 91,918,552 (Within Confidence Interval)
State Upper Limit: 96,542,750 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 89,634,331 (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