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2008 Confidence Interval Detail
232/Uvalde
232-901/Knippa ISD

Category Summary

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

Stratum
Variance
A 2,026,077 1.1025 1,837,712 6 77 .022568508
A 2,497,596 1.0944 2,282,160 6 47 .036855478
A 2,060,059 1.0161 2,027,418 6 26 .012258330
A 3,639,199 1.0326 3,524,307 6 28 .004085640
D3 12,748,123 1.0127 12,588,252 20 568 .031982407
Random Totals: 22,971,054   22,259,849 44 746  
Catg J Exception Values: 4,089,850   4,071,915      
Catg D1 Exception Values: 11,033,826   10,398,408      
Total Test Values (4): 38,094,730   36,730,172      

Margin of Error

Margin of Error Percent: 5.0000011
Margin of Error Value: 1,836,509

Confidence Interval Values (5)

State Lower Limit: 34,893,663 (State Test Value minus Margin of Error Percent)
Local Test Value: 38,094,730 (Within Confidence Interval)
State Upper Limit: 38,566,681 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 46,094,185 (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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