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2008 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 7,022,250 0.8962 7,835,584 15 1,114 .017486993
G1 54,085,281 1.0101 53,544,482 16 35 .001105047
Random Totals: 61,107,531   61,380,066 31 1,149  
Catg J Exception Values: 2,190,120   1,964,319      
Catg D1 Exception Values: 39,347,790   39,657,934      
Catg G1 Exception Values: 20,366,696   20,363,523      
Total Test Values (4): 123,012,137   123,365,842      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,168,292

Confidence Interval Values (5)

State Lower Limit: 117,197,550 (State Test Value minus Margin of Error Percent)
Local Test Value: 123,012,137 (Within Confidence Interval)
State Upper Limit: 129,534,134 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 154,158,452 (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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