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2010 Confidence Interval Detail
019/Bowie
019-906/Redwater ISD

Category Summary

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

Stratum
Variance
A 35,942,531 1.0166 35,355,628 10 501 .007013810
A 36,512,671 1.0052 36,323,787 10 279 .002754764
A 35,845,642 0.9800 36,577,186 10 191 .001157146
A 35,583,017 0.9990 35,618,636 10 130 .002417007
D3 43,829,321 1.0698 40,969,640 21 1,201 .025583196
Random Totals: 187,713,182   184,844,877 61 2,302  
Catg J Exception Values: 3,241,230   3,151,607      
Catg D1 Exception Values: 2,594,162   2,236,909      
Total Test Values (4): 193,548,574   190,233,393      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 9,511,670

Confidence Interval Values (5)

State Lower Limit: 180,721,723 (State Test Value minus Margin of Error Percent)
Local Test Value: 193,548,574 (Within Confidence Interval)
State Upper Limit: 199,745,063 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 189,597,013 (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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