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2006 Confidence Interval Detail
146/Liberty
146-907/Tarkington ISD

Category Summary

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

Stratum
Variance
A 41,325,838 0.8911 46,376,207 13 1,079 .028196780
A 41,212,157 1.1044 37,316,332 14 572 .069496851
A 41,219,347 1.0393 39,660,682 14 402 .005758003
A 41,189,351 1.0393 39,631,820 18 259 .019103536
C 9,865,997 0.9782 10,085,869 7 4,061 .031406711
C 299,363 0.9607 311,609 7 84 .126107371
C 5,089,429 0.8497 5,989,678 7 787 .037286836
C 5,070,869 0.9836 5,155,418 14 285 .061955280
D3 53,553,891 0.9997 53,569,962 19 3,496 .002144266
Random Totals: 238,826,242   238,097,577 113 11,025  
Catg J Exception Values: 11,845,599   13,754,188      
Catg D1 Exception Values: 19,044,165   17,425,163      
Total Test Values (4): 269,716,006   269,276,802      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,463,840

Confidence Interval Values (5)

State Lower Limit: 255,812,962 (State Test Value minus Margin of Error Percent)
Local Test Value: 269,716,006 (Within Confidence Interval)
State Upper Limit: 282,740,642 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 298,467,140 (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

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