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2008 Confidence Interval Detail
107/Henderson
107-907/Trinidad ISD

Category Summary

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

Stratum
Variance
A 2,865,570 1.0678 2,683,621 8 125 .089355643
A 2,944,770 0.9671 3,044,949 8 76 .002396231
A 3,060,550 1.0173 3,008,503 11 54 .085668572
A 2,879,750 1.0508 2,740,531 7 34 .004857318
D3 2,078,070 0.9124 2,277,587 9 164 .000818892
G1 5,104,342 0.9434 5,410,581 14 33 .030771310
Random Totals: 18,933,052   19,165,772 57 486  
Catg J Exception Values: 11,602,580   11,679,553      
Catg D1 Exception Values: 626,990   577,161      
Total Test Values (4): 31,162,622   31,422,486      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,571,124

Confidence Interval Values (5)

State Lower Limit: 29,851,362 (State Test Value minus Margin of Error Percent)
Local Test Value: 31,162,622 (Within Confidence Interval)
State Upper Limit: 32,993,610 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 39,469,127 (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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