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2006 Confidence Interval Detail
123/Jefferson
123-908/Port Neches-Groves ISD

Category Summary

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

Stratum
Variance
A 178,410,641 0.9190 194,135,627 22 3,379 .045581863
A 178,336,429 1.0157 175,579,826 15 2,234 .024016864
A 178,416,570 0.9216 193,594,368 10 1,523 .032052547
A 178,254,586 0.9572 186,225,017 9 902 .020393401
F1 13,764,807 0.9666 14,240,438 7 207 .001997220
F1 13,885,471 0.9922 13,994,629 8 87 .054157425
F1 13,869,877 1.0538 13,161,774 6 40 .062715673
F1 13,450,664 0.9668 13,912,561 4 12 .001549953
Random Totals: 768,389,045   804,844,240 81 8,384  
Catg D1 Exception Values: 139,580   55,791      
Total Test Values (4): 768,528,625   804,900,031      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 40,245,002

Confidence Interval Values (5)

State Lower Limit: 764,655,029 (State Test Value minus Margin of Error Percent)
Local Test Value: 768,528,625 (Within Confidence Interval)
State Upper Limit: 845,145,033 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,844,637,715 (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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