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2010 Confidence Interval Detail
143/Lavaca
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 19,574,375 0.9032 21,672,249 11 537 .116250444
A 20,311,792 0.9969 20,374,954 10 292 .006739658
A 20,037,005 1.0464 19,148,514 9 175 .005550999
A 19,698,000 1.0197 19,317,446 9 108 .008106808
D3 30,211,236 1.0089 29,944,728 16 1,304 .003362853
F1 3,184,135 0.9739 3,269,468 9 67 .011680473
F1 3,334,571 0.9791 3,405,751 7 21 .002411112
F1 2,115,853 0.9997 2,116,488 4 4 .002572862
G1 3,370,660 1.0637 3,168,807 7 9 .037666872
G1 3,958,781 1.1380 3,478,718 3 5 .191096604
Random Totals: 125,796,408   125,897,123 85 2,522  
Catg J Exception Values: 2,439,028   3,200,267      
Catg D1 Exception Values: 2,598,541   2,691,592      
Catg F1 Exception Values: 3,981,649   3,934,134      
Catg G1 Exception Values: 19,856,750   18,111,167      
Total Test Values (4): 154,672,376   153,834,283      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,691,714

Confidence Interval Values (5)

State Lower Limit: 146,142,569 (State Test Value minus Margin of Error Percent)
Local Test Value: 154,672,376 (Within Confidence Interval)
State Upper Limit: 161,525,997 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 166,377,490 (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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