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2008 Confidence Interval Detail
007/Atascosa
015-909/Somerset ISD

Category Summary

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

Stratum
Variance
A 78,188,065 1.0096 77,444,597 12 1,507 .046157785
C 6,341,050 0.9560 6,632,897 10 553 .053601644
D3 27,362,960 1.0742 25,472,873 10 758 .093954551
Random Totals: 111,892,075   109,550,367 32 2,818  
Catg D1 Exception Values: 1,056,030   1,040,787      
Total Test Values (4): 112,948,105   110,591,154      

Margin of Error

Margin of Error Percent: 9.9806527
Margin of Error Value: 11,037,719

Confidence Interval Values (5)

State Lower Limit: 99,553,435 (State Test Value minus Margin of Error Percent)
Local Test Value: 112,948,105 (Within Confidence Interval)
State Upper Limit: 121,628,873 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 98,445,769 (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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