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2007 Confidence Interval Detail
015/Bexar
015-910/Northeast ISD

Category Summary

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

Stratum
Variance
A 4,245,820,649 0.9766 4,347,553,399 68 38,145 .012042079
A 4,244,911,749 0.9639 4,403,892,260 67 25,455 .005479576
A 4,244,198,462 0.9673 4,387,675,449 68 18,119 .004352743
A 4,244,772,132 0.9825 4,320,378,760 69 9,984 .005770374
B 486,244,932 0.9699 501,335,119 59 690 .005583071
B 501,100,631 1.0072 497,518,498 8 60 .011142026
B 473,632,202 0.9650 490,810,572 9 34 .008571267
B 476,884,163 0.9887 482,334,543 11 18 .003911958
C 105,331,398 0.8260 127,519,852 50 1,555 .046108233
C 105,505,847 0.7981 132,196,275 7 340 .103190761
C 105,882,425 0.9192 115,189,757 8 118 .015808754
C 104,541,834 0.9325 112,109,205 6 44 .016264184
F1 1,201,462,179 1.0267 1,170,217,375 24 1,921 .022084027
F1 1,202,448,742 1.0606 1,133,743,864 14 547 .057887375
F1 1,200,603,389 0.9881 1,215,062,634 8 216 .017428119
F1 1,196,285,087 0.9342 1,280,544,944 8 57 .029353129
L1 450,486,544 1.0766 418,434,464 7 3,141 .034512287
L1 450,590,218 1.0200 441,755,116 7 511 .006963816
L1 451,556,387 1.0165 444,226,647 7 134 .002575626
L1 447,735,416 1.0196 439,128,497 6 37 .006725443
Random Totals: 25,939,994,386   26,461,627,230 511 101,126  
Catg D1 Exception Values: 191,567   286,829      
Total Test Values (4): 25,940,185,953   26,461,914,059      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,323,095,703

Confidence Interval Values (5)

State Lower Limit: 25,138,818,356 (State Test Value minus Margin of Error Percent)
Local Test Value: 25,940,185,953 (Within Confidence Interval)
State Upper Limit: 27,785,009,762 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 25,058,748,432 (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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