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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 0.7313 14,643,963 15 692 .087183857
A 9,952,470 0.7518 13,238,188 15 272 .056456853
A 6,205,340 0.7537 8,233,170 16 112 .013399901
A 22,504,390 1.0221 22,017,797 16 215 .014684998
D3 38,358,000 0.6513 58,894,519 21 3,715 .035424683
F1 3,575,010 0.7554 4,732,605 15 100 .017763548
F1 4,064,760 0.7420 5,478,113 13 27 .102737011
G1 71,708,968 1.0024 71,537,279 22 46 .017613381
Random Totals: 167,078,068   198,775,634 133 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   245,592,379      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,279,619

Confidence Interval Values (5)

Local Test Value: 212,286,642 (Outside Confidence Interval)
State Lower Limit: 233,312,760 (State Test Value minus Margin of Error Percent)
State Upper Limit: 257,871,998 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 269,060,540 (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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