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2008 Confidence Interval Detail
205/San Patricio
205-907/Taft ISD

Category Summary

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

Stratum
Variance
A 21,810,584 0.9337 23,359,306 11 610 .014297702
A 21,173,346 0.9690 21,850,718 10 344 .021040227
A 22,975,084 1.0758 21,356,278 13 243 .022015446
A 21,359,192 0.9941 21,485,959 10 113 .007335208
D3 19,366,156 0.9345 20,723,548 20 1,200 .007617278
G1 25,450,610 1.0274 24,771,861 12 29 .026530201
G1 25,569,900 1.0007 25,552,014 7 10 .047905805
G1 23,805,210 1.0338 23,026,901 5 6 .003756578
Random Totals: 181,510,082   182,126,585 88 2,555  
Catg J Exception Values: 9,454,300   9,347,307      
Catg D1 Exception Values: 22,047,904   21,824,488      
Catg G1 Exception Values: 23,495,150   23,511,530      
Total Test Values (4): 236,507,436   236,809,910      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 11,840,496

Confidence Interval Values (5)

State Lower Limit: 224,969,414 (State Test Value minus Margin of Error Percent)
Local Test Value: 236,507,436 (Within Confidence Interval)
State Upper Limit: 248,650,406 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 281,968,664 (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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