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2009 Confidence Interval Detail
062/Dewitt
062-903/Yoakum ISD

Category Summary

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

Stratum
Variance
A 7,408,440 0.9944 7,450,161 8 279 .039831729
A 8,040,760 0.9394 8,559,463 7 178 .003132147
A 7,425,910 0.9702 7,653,999 7 121 .001839781
A 7,412,980 1.0203 7,265,491 6 65 .006329810
D3 62,649,270 0.9709 64,527,006 20 3,553 .082460911
F1 3,501,220 0.9692 3,612,485 6 81 .011754312
F1 3,166,490 0.9349 3,386,983 7 28 .004376280
F1 3,829,840 0.9611 3,984,851 4 11 .008642867
G1 14,221,697 0.9871 14,407,554 7 14 .053747568
G1 17,155,220 1.1154 15,380,330 3 6 .119137270
Random Totals: 134,811,827   136,228,323 75 4,336  
Catg J Exception Values: 3,905,903   3,949,207      
Catg D1 Exception Values: 7,521,570   7,086,879      
Catg F1 Exception Values: 3,042,730   2,912,407      
Catg G1 Exception Values: 23,369,430   23,241,185      
Total Test Values (4): 172,651,460   173,418,001      

Margin of Error

Margin of Error Percent: 5.5148854
Margin of Error Value: 9,563,804

Confidence Interval Values (5)

State Lower Limit: 163,854,197 (State Test Value minus Margin of Error Percent)
Local Test Value: 172,651,460 (Within Confidence Interval)
State Upper Limit: 182,981,805 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 213,368,437 (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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