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2009 Confidence Interval Detail
143/Lavaca
143-904/Vysehrad ISD

Category Summary

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

Stratum
Variance
A 1,111,555 0.9886 1,124,373 6 23 .009691130
A 981,376 1.0423 941,548 5 13 .010661143
A 1,005,602 0.9673 1,039,597 4 10 .001103021
A 1,136,900 0.8842 1,285,795 3 8 .008022200
D3 26,890,283 1.0287 26,140,063 12 1,048 .001645037
G1 22,205,050 0.9808 22,639,733 20 40 .007344217
Random Totals: 53,330,766   53,171,109 50 1,142  
Catg D1 Exception Values: 1,772,352   1,860,143      
Total Test Values (4): 55,103,118   55,031,252      

Margin of Error

Margin of Error Percent: 5.0000007
Margin of Error Value: 2,751,563

Confidence Interval Values (5)

State Lower Limit: 52,279,689 (State Test Value minus Margin of Error Percent)
Local Test Value: 55,103,118 (Within Confidence Interval)
State Upper Limit: 57,782,815 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 60,714,221 (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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