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2009 Confidence Interval Detail
107/Henderson
107-901/Athens ISD

Category Summary

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

Stratum
Variance
A 127,136,580 1.0452 121,638,519 46 2,072 .035471300
A 128,545,000 1.0465 122,833,254 45 1,134 .041696683
A 151,683,870 1.0912 139,006,479 36 820 .018240665
A 163,877,100 1.0111 162,078,034 11 408 .048764480
D3 211,868,000 0.9847 215,159,947 44 5,563 .048175762
F1 39,829,510 0.9687 41,116,455 7 322 .011130748
F1 40,571,440 0.9596 42,279,533 8 104 .005829539
F1 40,002,390 0.8532 46,885,127 6 37 .103854630
F1 36,219,350 1.0514 34,448,687 4 11 .004252874
L1 18,212,970 0.9845 18,499,716 8 293 .002741748
L1 17,419,720 0.9564 18,213,844 6 86 .009080543
L1 16,280,180 1.0208 15,948,452 7 32 .019563250
L1 15,966,940 0.9989 15,984,523 4 8 .000185698
Random Totals: 1,007,613,050   994,092,570 232 10,890  
Catg D1 Exception Values: 10,495,320   11,487,359      
Total Test Values (4): 1,018,108,370   1,005,579,929      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 50,278,996

Confidence Interval Values (5)

State Lower Limit: 955,300,933 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,018,108,370 (Within Confidence Interval)
State Upper Limit: 1,055,858,925 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,073,762,813 (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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