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2007 Confidence Interval Detail
178/Nueces
178-908/Port Aransas ISD

Category Summary

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

Stratum
Variance
A 279,293,341 0.9359 298,422,204 43 1,686 .006865216
A 278,268,723 0.9746 285,520,955 42 1,041 .017878053
A 277,069,709 0.9548 290,186,122 46 724 .007983060
A 277,786,852 0.9359 296,812,536 19 372 .004979391
C 49,163,901 0.8955 54,901,062 9 448 .116551157
C 49,020,354 1.0526 46,570,733 7 245 .004444905
C 49,331,782 1.0125 48,722,748 7 162 .002395042
C 48,842,278 1.0001 48,837,394 6 83 .002894767
D3 222,867,595 0.9813 227,114,639 11 171 .001155476
F1 27,180,829 1.0404 26,125,364 9 110 .010549298
F1 26,892,488 0.9908 27,142,196 7 45 .008072604
F1 27,582,843 0.9783 28,194,667 8 23 .008149292
F1 25,417,225 0.8607 29,530,876 5 11 .041238678
Random Totals: 1,638,717,920   1,708,081,496 219 5,121  
Catg D1 Exception Values: 72,974   68,130      
Total Test Values (4): 1,638,790,894   1,708,149,626      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 85,407,481

Confidence Interval Values (5)

State Lower Limit: 1,622,742,145 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,638,790,894 (Within Confidence Interval)
State Upper Limit: 1,793,557,107 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,693,505,678 (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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