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2007 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 127,306,804 0.9396 135,490,426 31 2,090 .019699732
A 127,282,790 1.0123 125,736,234 29 1,130 .012892845
A 127,226,570 0.9684 131,378,119 25 693 .012351501
A 127,235,382 0.8680 146,584,541 16 321 .010781784
D3 189,275,460 0.9400 201,356,872 17 5,506 .035439746
F1 36,665,736 0.9806 37,391,124 7 332 .001984176
F1 36,751,561 1.0104 36,373,279 7 109 .002195248
F1 36,626,893 0.9852 37,177,114 6 36 .000465378
F1 36,310,830 0.9349 38,839,266 5 11 .009096966
L1 22,241,286 0.9874 22,525,102 9 307 .010333399
L1 22,511,221 1.0466 21,508,906 6 87 .003105071
L1 23,165,241 0.9812 23,609,092 5 25 .009397116
L1 20,798,103 0.9921 20,963,716 2 3 .000864892
Random Totals: 933,397,877   978,933,791 165 10,650  
Catg D1 Exception Values: 11,225,120   12,185,315      
Total Test Values (4): 944,622,997   991,119,106      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 49,555,955

Confidence Interval Values (5)

State Lower Limit: 941,563,151 (State Test Value minus Margin of Error Percent)
Local Test Value: 944,622,997 (Within Confidence Interval)
State Upper Limit: 1,040,675,061 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 994,917,012 (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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