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2008 Confidence Interval Detail
250/Wood
250-902/Hawkins ISD

Category Summary

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

Stratum
Variance
A 28,464,144 0.8653 32,895,116 11 736 .066619764
A 28,773,160 0.8703 33,061,197 8 390 .032264480
A 31,413,733 0.8549 36,745,506 12 308 .024692346
A 32,350,530 0.9094 35,573,488 10 194 .003910534
D3 53,659,527 0.8853 60,611,688 14 2,352 .016333713
G1 52,234,110 1.2065 43,293,916 6 38 .007528936
Random Totals: 226,895,204   242,180,911 61 4,018  
Catg D1 Exception Values: 6,057,688   5,233,189      
Catg G1 Exception Values: 309,019,149   318,352,421      
Total Test Values (4): 541,972,041   565,766,521      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 28,288,326

Confidence Interval Values (5)

State Lower Limit: 537,478,195 (State Test Value minus Margin of Error Percent)
Local Test Value: 541,972,041 (Within Confidence Interval)
State Upper Limit: 594,054,847 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 745,740,579 (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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