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2006 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 234,791,934 0.9363 250,765,710 54 1,554 .012837159
A 234,888,245 0.9554 245,853,302 21 988 .004917767
A 240,229,743 0.9675 248,299,476 45 701 .008928915
A 229,215,712 0.9671 237,013,455 15 374 .008526155
C 39,011,096 0.9704 40,201,047 8 515 .001803305
C 39,038,830 0.9614 40,606,230 7 260 .005110815
C 39,027,814 0.9602 40,645,505 7 147 .004022770
C 38,926,929 1.0078 38,625,649 6 53 .001306746
F1 26,204,961 0.9995 26,218,070 7 116 .008599649
F1 25,656,719 0.9409 27,268,274 7 43 .024298964
F1 26,181,831 1.0215 25,630,769 5 22 .008059865
F1 25,570,679 0.9412 27,168,167 4 11 .029261771
Random Totals: 1,198,744,493   1,248,295,654 186 4,784  
Catg D1 Exception Values: 100,815   93,847      
Total Test Values (4): 1,198,845,308   1,248,389,501      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 62,419,475

Confidence Interval Values (5)

State Lower Limit: 1,185,970,026 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,198,845,308 (Within Confidence Interval)
State Upper Limit: 1,310,808,976 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,352,050,689 (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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