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2009 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 10,709,130 0.5346 20,032,043 16 692 .130399342
A 9,952,470 0.6002 16,581,923 16 272 .025674914
A 6,205,340 0.6036 10,280,550 15 112 .017979142
A 22,504,390 0.8228 27,350,984 16 215 .014700053
D3 38,358,000 0.6289 60,992,209 22 3,715 .058780416
F1 3,575,010 0.6839 5,227,387 15 100 .084320800
F1 4,064,760 0.7206 5,640,799 13 27 .160439857
G1 71,708,968 1.0024 71,537,279 22 46 .017613381
Random Totals: 167,078,068   217,643,174 135 5,179  
Catg J Exception Values: 12,765,784   12,776,949      
Catg D1 Exception Values: 26,011,380   27,006,381      
Catg F1 Exception Values: 6,431,410   7,033,415      
Total Test Values (4): 212,286,642   264,459,919      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,222,996

Confidence Interval Values (5)

Local Test Value: 212,286,642 (Outside Confidence Interval)
State Lower Limit: 251,236,923 (State Test Value minus Margin of Error Percent)
State Upper Limit: 277,682,915 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 278,035,326 (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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