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2008 Confidence Interval Detail
007/Atascosa
007-906/Poteet ISD

Category Summary

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

Stratum
Variance
A 19,317,520 0.9788 19,735,922 7 614 .000673692
A 23,202,410 0.9350 24,815,412 7 387 .017975966
A 31,816,630 1.0468 30,394,182 7 310 .004034397
A 35,789,490 0.9938 36,012,769 7 189 .006412337
D3 67,107,516 0.9835 68,233,367 20 2,702 .060563352
Random Totals: 177,233,566   179,191,652 48 4,202  
Catg D1 Exception Values: 10,954,280   10,714,200      
Total Test Values (4): 188,187,846   189,905,852      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 9,495,293

Confidence Interval Values (5)

State Lower Limit: 180,410,559 (State Test Value minus Margin of Error Percent)
Local Test Value: 188,187,846 (Within Confidence Interval)
State Upper Limit: 199,401,145 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 171,859,321 (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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