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2008 Confidence Interval Detail
015/Bexar
015-910/North East ISD

Category Summary

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

Stratum
Variance
A 4,104,837,340 0.9673 4,243,603,163 70 38,054 .011223826
A 4,404,663,475 0.9757 4,514,362,483 70 27,174 .022653054
A 4,667,998,502 0.9788 4,769,103,496 69 20,432 .005933972
A 4,980,904,554 0.9774 5,096,075,869 71 12,029 .007947630
B 480,079,121 0.9786 490,577,479 21 630 .001924790
B 481,194,853 0.8964 536,808,180 6 60 .004959707
B 591,606,120 1.0241 577,683,937 10 43 .002869358
B 646,431,402 1.0296 627,847,127 8 24 .013739449
C 103,711,275 1.0125 102,430,889 13 1,280 .026586105
C 105,694,967 1.0108 104,565,658 10 275 .081614275
C 113,354,454 1.0055 112,734,415 8 103 .023566001
C 149,310,180 1.0062 148,390,161 6 38 .013020548
F1 1,272,700,782 1.0005 1,272,064,750 15 2,033 .003189509
F1 1,324,313,523 1.0453 1,266,921,958 8 601 .034936578
F1 1,439,208,734 0.9616 1,496,681,296 7 258 .011871925
F1 1,668,077,969 0.9337 1,786,524,546 8 81 .008635976
L1 496,307,275 1.0421 476,256,861 7 3,197 .001297738
L1 504,921,323 1.0573 477,557,290 7 532 .005985253
L1 521,545,130 1.0403 501,341,084 7 133 .010992067
L1 652,640,764 1.0822 603,068,531 6 44 .012462426
Random Totals: 28,709,501,743   29,204,599,173 427 107,021  
Catg D1 Exception Values: 435,474   531,447      
Total Test Values (4): 28,709,937,217   29,205,130,620      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,460,256,531

Confidence Interval Values (5)

State Lower Limit: 27,744,874,089 (State Test Value minus Margin of Error Percent)
Local Test Value: 28,709,937,217 (Within Confidence Interval)
State Upper Limit: 30,665,387,151 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 27,591,596,538 (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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