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2006 Confidence Interval Detail
073/Falls
073-904/Westphalia ISD

Category Summary

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

Stratum
Variance
A 783,271 0.8437 928,376 11 32 .043007251
A 783,828 0.9226 849,586 9 17 .031220331
A 768,797 0.9810 783,687 8 11 .022021514
D3 5,023,630 0.9233 5,440,951 20 446 .034268072
Random Totals: 7,359,526   8,002,600 48 506  
Catg J Exception Values: 175,510   235,583      
Catg D1 Exception Values: 2,208,560   2,120,748      
Catg A Exception Values: 764,050   687,942      
Total Test Values (4): 10,507,646   11,046,873      

Margin of Error

Margin of Error Percent: 5.0000032
Margin of Error Value: 552,344

Confidence Interval Values (5)

State Lower Limit: 10,494,529 (State Test Value minus Margin of Error Percent)
Local Test Value: 10,507,646 (Within Confidence Interval)
State Upper Limit: 11,599,217 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 11,176,961 (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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