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2007 Confidence Interval Detail
249/Wise
249-903/Bridgeport ISD

Category Summary

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

Stratum
Variance
A 76,323,412 1.0587 72,091,633 19 1,085 .086874867
A 76,426,383 1.0004 76,395,825 30 628 .010028623
A 76,209,360 1.0033 75,958,696 32 428 .013237901
A 76,260,635 1.0131 75,274,539 19 236 .016070961
D3 108,754,280 1.0793 100,763,717 30 2,912 .023565559
F1 24,139,271 1.0252 23,545,914 7 177 .021842651
F1 23,780,967 1.1341 20,969,021 6 69 .049543609
F1 24,626,180 0.8986 27,405,052 8 38 .020022679
F1 23,227,338 0.9889 23,488,055 6 17 .011730691
G1 27,787,580 0.8274 33,584,216 7 218 .112329739
G1 27,556,160 0.9904 27,823,263 7 96 .031088879
G1 27,785,580 1.0416 26,675,864 6 57 .037249929
G1 27,352,560 0.9736 28,094,248 5 24 .022271124
L1 11,452,306 1.0651 10,752,329 14 168 .009480562
L1 11,506,664 1.0378 11,087,554 9 46 .002204229
L1 11,191,725 1.0577 10,581,190 8 16 .008606056
L1 11,226,333 0.9999 11,227,456 3 6 .000111685
Random Totals: 665,606,734   655,718,572 216 6,221  
Catg J Exception Values: 28,650,176   28,638,013      
Catg D1 Exception Values: 4,139,040   3,728,722      
Total Test Values (4): 698,395,950   688,085,307      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 34,404,265

Confidence Interval Values (5)

State Lower Limit: 653,681,042 (State Test Value minus Margin of Error Percent)
Local Test Value: 698,395,950 (Within Confidence Interval)
State Upper Limit: 722,489,572 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,119,887,284 (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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