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2006 Confidence Interval Detail
196/Refugio
196-901/Austwell-Tivoli ISD

Category Summary

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

Stratum
Variance
D3 6,010,180 0.5877 10,226,612 16 1,372 .338875450
G1 88,895,851 0.9527 93,309,385 6 24 .005212814
G1 92,061,213 1.0326 89,154,768 4 7 .018215078
Random Totals: 186,967,244   192,690,765 26 1,403  
Catg D1 Exception Values: 17,597,730   17,671,692      
Catg G1 Exception Values: 274,221,550   285,675,482      
Total Test Values (4): 478,786,524   496,037,939      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 24,801,897

Confidence Interval Values (5)

State Lower Limit: 471,236,042 (State Test Value minus Margin of Error Percent)
Local Test Value: 478,786,524 (Within Confidence Interval)
State Upper Limit: 520,839,836 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 539,807,222 (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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