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2008 Confidence Interval Detail
015/Bexar
015-915/Northside ISD

Category Summary

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

Stratum
Variance
A 4,266,024,951 0.9736 4,381,701,881 69 41,917 .011033626
A 4,899,557,381 0.9780 5,009,772,373 67 35,390 .010550486
A 5,195,269,291 0.9616 5,402,734,288 74 27,435 .007841231
A 5,503,895,902 0.9830 5,599,080,267 68 13,572 .006236002
B 477,249,024 0.9728 490,593,158 13 265 .003184319
B 541,922,666 1.0617 510,429,185 7 61 .002979034
B 588,986,126 1.0602 555,542,469 7 40 .007483623
B 742,794,227 1.0325 719,413,295 6 27 .002711296
C 186,976,175 0.9517 196,465,457 45 2,588 .014649656
C 246,977,531 1.0341 238,833,315 42 748 .036904909
C 237,847,584 0.9095 261,514,661 14 202 .058255645
C 281,373,480 0.9254 304,056,062 9 57 .032520195
D3 724,936,493 1.0318 702,594,004 22 2,323 .024581435
F1 1,294,054,195 1.0565 1,224,850,161 18 1,513 .030420615
F1 1,425,977,675 1.0143 1,405,873,681 10 434 .008553795
F1 1,466,647,503 0.8533 1,718,794,683 8 152 .079105434
F1 1,791,848,593 0.9680 1,851,083,257 7 43 .006600065
L1 467,132,315 1.1536 404,934,392 7 2,241 .025772001
L1 481,118,050 0.9589 501,739,545 7 346 .031491399
L1 503,162,243 1.0374 485,022,405 6 84 .006482771
L1 473,553,515 0.9803 483,069,994 5 14 .021505007
Random Totals: 31,797,304,920   32,448,098,533 511 129,452  
Catg D1 Exception Values: 3,929,248   4,633,155      
Total Test Values (4): 31,801,234,168   32,452,731,688      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,622,636,584

Confidence Interval Values (5)

State Lower Limit: 30,830,095,104 (State Test Value minus Margin of Error Percent)
Local Test Value: 31,801,234,168 (Within Confidence Interval)
State Upper Limit: 34,075,368,272 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 30,820,902,130 (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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