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2008 Confidence Interval Detail
225/Titus
225-907/Harts Bluff ISD

Category Summary

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

Stratum
Variance
A 24,222,318 0.8926 27,136,812 9 250 .038843424
A 19,490,629 0.9734 20,023,247 12 127 .019637045
A 32,365,467 0.9906 32,672,589 9 158 .005759827
A 28,346,754 1.0359 27,364,373 8 70 .004656261
D3 20,645,419 0.8692 23,752,208 21 804 .142765507
Random Totals: 125,070,587   130,949,229 59 1,409  
Catg D1 Exception Values: 1,720,187   1,495,342      
Total Test Values (4): 126,790,774   132,444,571      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 6,622,229

Confidence Interval Values (5)

State Lower Limit: 125,822,342 (State Test Value minus Margin of Error Percent)
Local Test Value: 126,790,774 (Within Confidence Interval)
State Upper Limit: 139,066,800 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 117,541,471 (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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