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2007 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 2,218,939 1.0849 2,045,294 8 85 .015186145
A 2,265,160 0.9226 2,455,192 7 45 .002799635
A 2,191,031 0.9400 2,330,884 7 27 .003411141
A 2,185,243 1.0081 2,167,685 5 17 .012289315
Random Totals: 8,860,373   8,999,055 27 174  
Catg J Exception Values: 3,895,365   3,889,055      
Catg D1 Exception Values: 10,823,593   10,607,409      
Catg D3 Exception Values: 12,009,605   12,509,417      
Total Test Values (4): 35,588,936   36,004,936      

Margin of Error

Margin of Error Percent: 5.0000006
Margin of Error Value: 1,800,247

Confidence Interval Values (5)

State Lower Limit: 34,204,689 (State Test Value minus Margin of Error Percent)
Local Test Value: 35,588,936 (Within Confidence Interval)
State Upper Limit: 37,805,183 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 43,619,688 (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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