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2006 Confidence Interval Detail
004/Aransas
004-901/Aransas County ISD

Category Summary

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

Stratum
Variance
A 394,462,638 0.9005 438,048,460 26 4,139 .021035745
A 394,223,393 0.9228 427,203,503 31 1,977 .025306104
A 394,138,453 0.9520 414,010,980 29 1,149 .018757168
A 394,153,539 0.9800 402,197,489 29 543 .006750189
C 54,623,117 0.8575 63,700,428 17 2,821 .125505422
C 53,534,012 0.9805 54,598,686 18 858 .071240094
C 54,039,670 1.0752 50,260,110 18 294 .054819733
C 54,011,075 0.9799 55,118,966 11 101 .005804771
F1 53,903,115 1.0272 52,475,774 12 354 .026288748
F1 53,601,387 1.0196 52,570,995 11 129 .001587930
F1 54,277,469 1.0955 49,545,841 9 52 .021823490
F1 52,962,796 1.0176 52,046,773 10 16 .019261052
Random Totals: 2,007,930,664   2,111,778,005 221 12,433  
Catg D1 Exception Values: 5,776,970   6,121,887      
Total Test Values (4): 2,013,707,634   2,117,899,892      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 105,894,995

Confidence Interval Values (5)

State Lower Limit: 2,012,004,897 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,013,707,634 (Within Confidence Interval)
State Upper Limit: 2,223,794,887 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,025,634,923 (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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