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2007 Confidence Interval Detail
019/Bowie
019-913/Hubbard ISD

Category Summary

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

Stratum
Variance
A 1,279,325 0.9661 1,324,216 6 27 .011983763
A 1,274,815 1.0054 1,267,968 5 15 .003697996
A 1,261,580 0.9452 1,334,723 5 11 .011094407
A 1,270,332 1.0046 1,264,515 4 6 .000514451
D3 13,554,000 0.9939 13,637,187 21 361 .026838237
Random Totals: 18,640,052   18,828,609 41 420  
Catg D1 Exception Values: 1,113,200   900,892      
Total Test Values (4): 19,753,252   19,729,501      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 986,475

Confidence Interval Values (5)

State Lower Limit: 18,743,026 (State Test Value minus Margin of Error Percent)
Local Test Value: 19,753,252 (Within Confidence Interval)
State Upper Limit: 20,715,976 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 16,095,435 (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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