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2006 Confidence Interval Detail
003/Angelina
003-905/Diboll ISD

Category Summary

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

Stratum
Variance
A 27,688,268 0.9603 28,832,936 18 715 .060873379
A 27,713,456 0.8908 31,110,750 16 441 .016065554
A 27,716,872 0.8577 32,315,346 14 299 .027925080
A 27,584,039 0.9614 28,691,532 14 170 .012634921
D3 3,862,850 0.7819 4,940,338 14 1,185 .059682406
F1 3,984,270 0.8126 4,903,113 7 50 .015763930
F1 3,946,577 0.9392 4,202,062 7 16 .031926039
F1 4,017,603 0.8015 5,012,605 3 6 .025060093
L1 3,541,493 0.8613 4,111,800 6 67 .039695774
L1 3,681,879 0.9761 3,772,031 5 16 .002209504
L1 3,439,412 1.0268 3,349,642 4 7 .002011392
L1 3,227,092 1.0000 3,227,092 2 3
Random Totals: 140,403,811   154,469,247 110 2,975  
Catg J Exception Values: 16,365,774   16,345,970      
Catg D1 Exception Values: 10,073,550   9,475,564      
Catg F1 Exception Values: 4,043,136   5,131,581      
Total Test Values (4): 170,886,271   185,422,362      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,271,118

Confidence Interval Values (5)

Local Test Value: 170,886,271 (Outside Confidence Interval)
State Lower Limit: 176,151,244 (State Test Value minus Margin of Error Percent)
State Upper Limit: 194,693,480 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 263,589,866 (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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