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2008 Confidence Interval Detail
128/Karnes
013-903/Pettus ISD

Category Summary

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

Stratum
Variance
D3 5,852,218 0.9855 5,938,324 10 426 .006302673
G1 4,051,523 1.1184 3,622,606 10 30 .006857328
Random Totals: 9,903,741   9,560,930 20 456  
Catg J Exception Values: 297,890   285,355      
Catg D1 Exception Values: 2,073,494   2,050,742      
Catg G1 Exception Values: 2,477,352   2,168,358      
Total Test Values (4): 14,752,477   14,065,385      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 703,269

Confidence Interval Values (5)

State Lower Limit: 13,362,116 (State Test Value minus Margin of Error Percent)
Local Test Value: 14,752,477 (Within Confidence Interval)
State Upper Limit: 14,768,654 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 34,002,881 (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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