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2006 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 65,332,110 0.9681 67,484,878 25 1,079 .039476322
A 65,215,820 1.0035 64,988,361 21 607 .012181357
A 65,205,383 0.9943 65,579,184 23 412 .007518616
A 64,924,884 0.9378 69,231,056 23 229 .016320465
D3 95,053,900 1.0441 91,039,077 35 2,943 .084464151
F1 19,749,045 1.0361 19,060,945 9 179 .000706167
F1 19,887,301 1.0115 19,661,197 8 72 .004186908
F1 20,044,255 1.0004 20,036,241 7 35 .019937775
F1 18,237,217 1.0166 17,939,423 6 15 .002027681
G1 28,987,240 0.9652 30,032,366 7 211 .006040885
G1 28,746,400 1.0479 27,432,389 7 93 .006730163
G1 29,055,929 1.1002 26,409,679 6 62 .045884721
G1 28,582,791 1.0731 26,635,720 6 29 .004679073
L1 10,296,006 0.9698 10,616,628 13 175 .023959560
L1 10,085,465 1.0228 9,860,642 9 49 .004702153
L1 11,550,034 1.0247 11,271,625 5 22 .004335126
Random Totals: 580,953,780   577,279,411 210 6,212  
Catg J Exception Values: 17,312,636   17,660,088      
Catg D1 Exception Values: 4,175,930   3,933,568      
Catg L1 Exception Values: 7,332,130   5,991,309      
Total Test Values (4): 609,774,476   604,864,376      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 30,243,219

Confidence Interval Values (5)

State Lower Limit: 574,621,157 (State Test Value minus Margin of Error Percent)
Local Test Value: 609,774,476 (Within Confidence Interval)
State Upper Limit: 635,107,595 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 996,399,199 (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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