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2006 Confidence Interval Detail
244/Wilbarger
244-903/Vernon ISD

Category Summary

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

Stratum
Variance
A 39,262,651 0.9041 43,427,332 14 1,768 .037363675
A 39,244,908 0.8339 47,061,888 18 830 .098278542
A 39,252,861 1.0004 39,237,166 17 534 .019447334
A 39,172,150 0.8919 43,919,890 17 326 .019558274
D3 20,628,590 0.9718 21,227,197 20 2,795 .010678391
F1 10,281,651 1.0332 9,951,269 10 264 .163183600
F1 10,391,475 1.0009 10,382,131 8 74 .004920782
F1 11,249,422 0.9822 11,453,291 6 22 .001742326
L1 6,357,454 1.0313 6,164,505 12 234 .017610421
L1 6,399,638 0.9663 6,622,827 9 51 .084732601
L1 7,011,586 1.0107 6,937,356 8 13 .006588571
Random Totals: 229,252,386   246,384,852 139 6,911  
Catg J Exception Values: 33,093,151   33,685,086      
Catg D1 Exception Values: 22,947,960   26,460,207      
Catg F1 Exception Values: 5,275,030   5,455,651      
Catg L1 Exception Values: 8,574,260   8,727,119      
Total Test Values (4): 299,142,787   320,712,915      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 16,035,646

Confidence Interval Values (5)

Local Test Value: 299,142,787 (Outside Confidence Interval)
State Lower Limit: 304,677,269 (State Test Value minus Margin of Error Percent)
State Upper Limit: 336,748,561 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 773,348,490 (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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