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2011 Confidence Interval Detail
203/San Augustine
203-901/San Augustine ISD

Category Summary

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

Stratum
Variance
A 12,150,740 0.6383 19,036,096 16 708 .197764645
A 12,589,070 0.7403 17,005,363 15 293 .026140481
A 11,891,930 0.9234 12,878,417 13 154 .028598174
A 12,487,720 0.9160 13,632,882 15 91 .073397281
D3 38,834,380 0.7576 51,259,741 22 3,718 1.169821202
F1 3,685,690 0.6945 5,306,969 9 103 .045589477
F1 3,903,910 0.7263 5,375,065 7 27 .130539911
F1 3,878,790 0.7407 5,236,655 4 6 .089064166
G1 39,420,491 1.0086 39,084,365 9 47 .013417795
G1 39,514,189 0.9977 39,605,281 7 28 .023175342
G1 40,969,291 1.0070 40,684,500 7 15 .011347564
G1 34,340,600 1.0217 33,611,236 3 5 .002260857
Random Totals: 253,666,801   282,716,570 127 5,195  
Catg J Exception Values: 5,340,524   4,906,220      
Catg D1 Exception Values: 23,049,530   23,534,627      
Catg F1 Exception Values: 2,724,590   3,549,443      
Total Test Values (4): 284,781,445   314,706,860      

Margin of Error

Margin of Error Percent: 7.7846562
Margin of Error Value: 24,498,847

Confidence Interval Values (5)

Local Test Value: 284,781,445 (Outside Confidence Interval)
State Lower Limit: 290,208,013 (State Test Value minus Margin of Error Percent)
State Upper Limit: 339,205,707 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 397,981,877 (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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