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2009 Confidence Interval Detail
083/Gaines
083-902/Loop ISD

Category Summary

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

Stratum
Variance
D3 13,950,275 0.9846 14,168,469 12 1,131 .005333515
G1 44,344,575 1.0602 41,826,613 8 39 .000724905
Random Totals: 58,294,850   55,995,082 20 1,170  
Catg D1 Exception Values: 24,538,759   30,211,384      
Catg G1 Exception Values: 273,816,651   268,246,675      
Total Test Values (4): 356,650,260   354,453,141      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 17,722,657

Confidence Interval Values (5)

State Lower Limit: 336,730,484 (State Test Value minus Margin of Error Percent)
Local Test Value: 356,650,260 (Within Confidence Interval)
State Upper Limit: 372,175,798 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 420,571,687 (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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