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2010 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 256,165,660 1.0011 255,884,187 22 3,294 .001384057
A 281,156,430 0.9762 288,011,094 15 2,403 .000951891
A 275,634,430 0.9945 277,158,803 14 1,639 .001461821
A 267,929,690 0.9783 273,872,728 12 987 .001443390
F1 17,954,120 1.0118 17,744,732 10 187 .057647582
F1 18,303,120 0.7376 24,814,425 9 82 .088504820
F1 22,810,230 0.8904 25,617,958 8 42 .028596543
F1 17,137,180 0.9462 18,111,583 5 10 .025373475
Random Totals: 1,157,090,860   1,181,215,510 95 8,644  
Catg J Exception Values: 20,754,342   25,733,734      
Catg D1 Exception Values: 116,710   78,018      
Total Test Values (4): 1,177,961,912   1,207,027,262      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 60,351,363

Confidence Interval Values (5)

State Lower Limit: 1,146,675,899 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,177,961,912 (Within Confidence Interval)
State Upper Limit: 1,267,378,625 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,752,748,497 (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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