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2009 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 2,690,793 0.8518 3,158,949 7 94 .015087980
A 2,417,317 0.9427 2,564,248 7 42 .012081399
A 2,530,844 0.9589 2,639,320 8 28 .011556353
A 2,648,676 1.0447 2,535,346 6 18 .007173328
D3 13,688,259 1.0738 12,747,494 26 579 .043159089
Random Totals: 23,975,889   23,645,357 54 761  
Catg J Exception Values: 4,410,217   4,599,534      
Catg D1 Exception Values: 11,589,893   11,744,710      
Total Test Values (4): 39,975,999   39,989,601      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,999,480

Confidence Interval Values (5)

State Lower Limit: 37,990,121 (State Test Value minus Margin of Error Percent)
Local Test Value: 39,975,999 (Within Confidence Interval)
State Upper Limit: 41,989,081 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 47,292,411 (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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