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2008 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 78,437,680 0.9656 81,232,063 21 1,122 .015879456
A 79,381,300 0.9844 80,639,273 27 678 .002264486
A 81,299,160 0.9968 81,560,152 22 478 .003118770
A 84,889,300 0.9903 85,720,792 8 287 .001692162
D3 116,418,430 0.9876 117,880,144 18 2,964 .052190702
F1 25,185,060 0.8689 28,984,993 7 188 .141092972
F1 26,620,830 0.9258 28,754,407 6 83 .010715556
F1 26,051,340 0.9971 26,127,109 7 40 .010686678
F1 34,904,320 1.0272 33,980,062 6 20 .006665788
G1 31,605,890 0.8230 38,403,269 9 215 .044884915
G1 31,808,780 1.0012 31,770,655 7 94 .027516247
G1 31,867,767 1.0339 30,822,872 7 54 .003769300
G1 31,014,991 1.0380 29,879,567 5 24 .011763956
L1 12,094,600 0.9943 12,163,934 8 172 .008136708
L1 14,732,830 1.0643 13,842,742 7 54 .015662273
L1 15,176,010 1.0734 14,138,262 7 21 .014294456
L1 13,290,430 0.9865 13,472,306 3 6 .000506839
Random Totals: 734,778,718   749,372,602 175 6,500  
Catg J Exception Values: 26,941,547   28,263,035      
Catg D1 Exception Values: 4,088,930   3,896,822      
Total Test Values (4): 765,809,195   781,532,459      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 39,076,623

Confidence Interval Values (5)

State Lower Limit: 742,455,836 (State Test Value minus Margin of Error Percent)
Local Test Value: 765,809,195 (Within Confidence Interval)
State Upper Limit: 820,609,082 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,220,391,031 (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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