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2012 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 1,693,314 0.8776 1,929,483 9 41 .017901416
A 1,509,363 0.8946 1,687,193 7 20 .004052205
A 1,785,552 1.0010 1,783,768 6 17 .003295566
A 1,926,758 0.9618 2,003,283 5 11 .006778880
D3 14,463,508 0.9565 15,121,284 11 462 .015628834
Random Totals: 21,378,495   22,525,011 38 551  
Catg D1 Exception Values: 1,164,010   977,676      
Total Test Values (4): 22,542,505   23,502,687      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,175,134

Confidence Interval Values (5)

State Lower Limit: 22,327,553 (State Test Value minus Margin of Error Percent)
Local Test Value: 22,542,505 (Within Confidence Interval)
State Upper Limit: 24,677,821 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 18,706,368 (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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