taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
044/Collingsworth
065-902/Hedley ISD

Category Summary

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

Stratum
Variance
D2 441,940 1.0032 440,530 10 33 .003081288
E 932,150 0.9824 948,850 15 30 .011013243
Random Totals: 1,374,090   1,389,380 25 63  
Catg D1 Exception Values: 6,231,389   6,372,758      
Total Test Values (4): 7,605,479   7,762,138      

Margin of Error

Margin of Error Percent: 5.0000013
Margin of Error Value: 388,107

Confidence Interval Values (5)

State Lower Limit: 7,374,031 (State Test Value minus Margin of Error Percent)
Local Test Value: 7,605,479 (Within Confidence Interval)
State Upper Limit: 8,150,245 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 8,092,385 (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