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2008 Confidence Interval Detail
194/Red River
194-902/Avery ISD

Category Summary

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

Stratum
Variance
A 3,245,090 0.8646 3,753,285 7 126 .066124993
A 3,474,710 0.9493 3,660,287 6 72 .016134398
A 3,392,020 1.1312 2,998,603 6 48 .004474273
A 4,079,250 1.1663 3,497,599 6 36 .024257931
D3 26,305,140 1.0308 25,519,150 20 2,098 .011336481
Random Totals: 40,496,210   39,428,924 45 2,380  
Catg J Exception Values: 2,095,504   1,932,458      
Catg D1 Exception Values: 10,048,490   10,760,316      
Total Test Values (4): 52,640,204   52,121,698      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 2,606,085

Confidence Interval Values (5)

State Lower Limit: 49,515,613 (State Test Value minus Margin of Error Percent)
Local Test Value: 52,640,204 (Within Confidence Interval)
State Upper Limit: 54,727,783 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 43,829,637 (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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