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2007 Confidence Interval Detail
203/San Augustine
203-901/San Augustine ISD

Category Summary

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

Stratum
Variance
A 10,567,504 0.7419 14,243,839 14 691 .253874255
A 10,621,870 0.8036 13,217,857 15 288 .038063149
A 10,465,722 0.7193 14,549,871 16 187 .035787485
A 10,541,651 0.7140 14,764,217 17 119 .049671671
D3 33,686,040 0.7246 46,489,153 24 3,707 .634846939
F1 3,475,998 0.6721 5,171,846 16 101 .109514446
F1 3,547,953 0.7328 4,841,639 10 28 .079345885
F1 3,788,015 0.6692 5,660,513 6 7 .201958632
L1 1,828,106 1.1440 1,597,995 8 101 .218000635
L1 1,764,025 0.6523 2,704,315 5 23 .606364414
L1 3,583,349 0.9464 3,786,294 6 15 .042432484
Random Totals: 93,870,233   127,027,539 137 5,267  
Catg J Exception Values: 12,802,620   13,369,008      
Catg D1 Exception Values: 25,106,310   23,146,819      
Catg F1 Exception Values: 2,957,590   3,237,751      
Total Test Values (4): 134,736,753   166,781,117      

Margin of Error

Margin of Error Percent: 9.3318070
Margin of Error Value: 15,563,692

Confidence Interval Values (5)

Local Test Value: 134,736,753 (Outside Confidence Interval)
State Lower Limit: 151,217,425 (State Test Value minus Margin of Error Percent)
State Upper Limit: 182,344,809 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 127,358,786 (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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