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2007 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 28,755,917 0.8781 32,747,884 13 757 .144939074
A 28,777,741 0.9057 31,774,032 16 390 .028293888
A 28,689,551 0.8920 32,163,174 13 279 .022308359
A 28,737,037 1.0257 28,017,000 12 175 .011315815
D3 47,927,217 1.2154 39,433,287 20 1,329 .047100301
G1 293,461,657 1.0021 292,846,679 21 45 .001690124
Random Totals: 456,349,120   456,982,056 95 2,975  
Catg D1 Exception Values: 5,937,705   4,833,607      
Total Test Values (4): 462,286,825   461,815,663      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 23,090,783

Confidence Interval Values (5)

State Lower Limit: 438,724,880 (State Test Value minus Margin of Error Percent)
Local Test Value: 462,286,825 (Within Confidence Interval)
State Upper Limit: 484,906,446 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 610,420,134 (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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