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2006 Confidence Interval Detail
244/Wilbarger
244-905/Northside ISD

Category Summary

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

Stratum
Variance
A 909,130 0.8637 1,052,599 16 36 .018399952
D3 3,093,640 0.9721 3,182,430 21 528 .007745735
Random Totals: 4,002,770   4,235,029 37 564  
Catg J Exception Values: 357,065   528,629      
Catg D1 Exception Values: 4,695,010   5,354,229      
Catg G1 Exception Values: 8,307,250   7,961,075      
Total Test Values (4): 17,362,095   18,078,962      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 903,948

Confidence Interval Values (5)

State Lower Limit: 17,175,014 (State Test Value minus Margin of Error Percent)
Local Test Value: 17,362,095 (Within Confidence Interval)
State Upper Limit: 18,982,910 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 17,403,666 (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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