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2006 Confidence Interval Detail
075/Fayette
075-903/Schulenburg ISD

Category Summary

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

Stratum
Variance
A 21,391,336 1.0569 20,239,697 7 445 .028923309
A 21,352,514 1.0904 19,582,276 7 263 .055250280
A 21,356,711 0.9900 21,572,435 7 185 .025718118
A 21,214,778 1.0210 20,778,431 7 115 .013361708
D3 109,531,587 0.9451 115,894,177 20 3,496 .097556202
F1 7,326,652 0.9723 7,535,382 8 98 .008087821
F1 7,362,761 0.9223 7,983,043 6 32 .007780894
F1 7,566,879 1.0631 7,117,749 6 13 .039132067
F1 6,852,163 0.9265 7,395,751 3 5 .003742039
Random Totals: 223,955,381   228,098,941 71 4,652  
Catg D1 Exception Values: 7,834,120   7,726,766      
Total Test Values (4): 231,789,501   235,825,707      

Margin of Error

Margin of Error Percent: 7.2030799
Margin of Error Value: 16,986,714

Confidence Interval Values (5)

State Lower Limit: 218,838,993 (State Test Value minus Margin of Error Percent)
Local Test Value: 231,789,501 (Within Confidence Interval)
State Upper Limit: 252,812,421 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 273,491,148 (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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