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2009 Confidence Interval Detail
123/Jefferson
123-913/Sabine Pass ISD

Category Summary

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

Stratum
Variance
D3 11,728,750 1.0376 11,303,730 10 781 .045991005
G1 94,335,827 1.0270 91,855,722 5 16 .001951151
L1 3,625,060 1.0243 3,539,061 5 15 .004551576
Random Totals: 109,689,637   106,698,513 20 812  
Catg J Exception Values: 5,851,768   4,060,882      
Catg D1 Exception Values: 2,111,910   1,782,008      
Catg G1 Exception Values: 69,183,987   67,234,811      
Catg L1 Exception Values: 8,369,960   7,972,981      
Total Test Values (4): 195,207,262   187,749,195      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 9,387,460

Confidence Interval Values (5)

State Lower Limit: 178,361,735 (State Test Value minus Margin of Error Percent)
Local Test Value: 195,207,262 (Within Confidence Interval)
State Upper Limit: 197,136,655 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 647,493,215 (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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