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2012 Confidence Interval Detail
003/Angelina
003-907/Central ISD

Category Summary

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

Stratum
Variance
A 37,106,328 1.0104 36,724,394 10 776 .011224137
A 37,326,920 1.0269 36,349,128 10 445 .039681687
A 37,090,370 1.0307 35,985,612 13 328 .036323741
A 40,212,300 1.0161 39,575,140 11 237 .023716285
D3 55,974,490 0.9657 57,962,607 15 2,193 .004988477
G1 4,886,386 0.9654 5,061,514 13 24 .018178999
G1 5,006,375 0.9321 5,371,071 5 11 .032024151
G1 4,877,757 1.0250 4,758,787 4 7 .019015256
G1 3,865,924 1.0159 3,805,418 3 4 .004702882
Random Totals: 226,346,850   225,593,671 84 4,025  
Catg J Exception Values: 10,076,040   10,011,586      
Catg D1 Exception Values: 5,647,213   5,633,512      
Total Test Values (4): 242,070,103   241,238,769      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,061,938

Confidence Interval Values (5)

State Lower Limit: 229,176,831 (State Test Value minus Margin of Error Percent)
Local Test Value: 242,070,103 (Within Confidence Interval)
State Upper Limit: 253,300,707 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 241,041,684 (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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