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2008 Confidence Interval Detail
003/Angelina
003-907/Central ISD

Category Summary

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

Stratum
Variance
A 34,580,840 0.9189 37,632,865 13 837 .130903568
A 35,148,760 0.8922 39,395,606 16 474 .022199464
A 37,193,060 0.9312 39,941,001 14 365 .013664044
A 45,734,420 0.9880 46,289,899 16 295 .010160927
D3 8,592,220 0.9457 9,085,566 10 2,005 .100081991
Random Totals: 161,249,300   172,344,937 69 3,976  
Catg J Exception Values: 11,044,614   11,143,331      
Catg D1 Exception Values: 6,532,894   6,498,160      
Total Test Values (4): 178,826,808   189,986,428      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,499,321

Confidence Interval Values (5)

Local Test Value: 178,826,808 (Outside Confidence Interval)
State Lower Limit: 180,487,107 (State Test Value minus Margin of Error Percent)
State Upper Limit: 199,485,749 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 212,196,665 (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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