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2008 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 812,030 1.0169 798,535 6 19 .001345871
A 957,040 0.9954 961,463 5 14 .005091967
A 1,189,120 0.9941 1,196,177 6 13 .002051230
D3 26,158,820 1.0433 25,073,152 28 1,045 .002334011
G1 24,471,927 0.8984 27,239,456 20 41 .034304699
Random Totals: 53,588,937   55,268,783 65 1,132  
Catg D1 Exception Values: 1,801,790   1,835,606      
Catg A Exception Values: 846,210   870,255      
Total Test Values (4): 56,236,937   57,974,644      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,898,732

Confidence Interval Values (5)

State Lower Limit: 55,075,912 (State Test Value minus Margin of Error Percent)
Local Test Value: 56,236,937 (Within Confidence Interval)
State Upper Limit: 60,873,376 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 59,855,734 (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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