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2009 Confidence Interval Detail
015/Bexar
015-908/South San Antonio ISD

Category Summary

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

Stratum
Variance
A 193,543,245 1.1130 173,893,302 18 3,731 .076221857
A 159,750,654 1.0000 159,750,654 17 2,338 .045633194
A 129,249,920 1.0436 123,850,057 14 1,588 .036443902
A 131,622,965 1.0676 123,288,652 20 1,175 .040576186
F1 99,376,481 0.9373 106,024,198 7 253 .032866407
F1 106,920,952 0.9635 110,971,408 7 35 .024668704
F1 109,358,801 0.9744 112,231,939 5 12 .023128213
L1 44,846,139 1.0322 43,447,141 7 246 .068470014
L1 43,475,700 1.1504 37,791,812 6 38 .023807387
L1 46,462,740 1.0799 43,025,039 4 9 .001883282
L1 40,227,490 0.9643 41,716,779 2 4 .001415521
Random Totals: 1,104,835,087   1,075,990,981 107 9,429  
Catg D1 Exception Values: 247,820   278,267      
Catg F1 Exception Values: 86,912,504   81,581,325      
Total Test Values (4): 1,191,995,411   1,157,850,573      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 57,892,529

Confidence Interval Values (5)

State Lower Limit: 1,099,958,044 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,191,995,411 (Within Confidence Interval)
State Upper Limit: 1,215,743,102 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,240,113,458 (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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