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2006 Confidence Interval Detail
223/Terry
223-904/Wellman-Union CISD

Category Summary

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

Stratum
Variance
D3 5,864,879 0.8675 6,760,667 20 1,118 .090424569
G1 29,773,035 0.9963 29,883,604 21 41 .003419967
Random Totals: 35,637,914   36,644,271 41 1,159  
Catg J Exception Values: 3,439,490   3,030,665      
Catg D1 Exception Values: 33,597,351   30,591,144      
Catg G1 Exception Values: 22,458,345   22,358,018      
Total Test Values (4): 95,133,100   92,624,098      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 4,631,205

Confidence Interval Values (5)

State Lower Limit: 87,992,893 (State Test Value minus Margin of Error Percent)
Local Test Value: 95,133,100 (Within Confidence Interval)
State Upper Limit: 97,255,303 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 117,935,160 (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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