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2006 Confidence Interval Detail
025/Brown
025-902/Brownwood ISD

Category Summary

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

Stratum
Variance
A 92,168,983 0.8863 103,992,985 18 2,870 .074807053
A 92,178,799 0.9410 97,958,341 31 1,320 .020218380
A 92,172,835 0.9300 99,110,575 20 833 .017279734
A 92,149,152 0.9325 98,819,466 22 423 .014444245
D3 38,436,227 1.0432 36,844,543 21 1,394 .022455121
F1 33,500,147 0.9251 36,212,460 9 354 .017048759
F1 33,325,061 0.9372 35,558,110 7 90 .005813877
F1 34,467,334 1.0312 33,424,490 6 25 .020576526
F1 31,965,916 0.9552 33,465,155 3 4 .000028844
L1 24,032,480 0.9887 24,307,151 10 353 .000964380
L1 24,421,163 0.9830 24,843,503 7 86 .000264721
L1 24,648,185 0.9815 25,112,771 7 28 .000321462
Random Totals: 613,466,282   649,649,550 161 7,780  
Catg J Exception Values: 37,158,030   37,198,363      
Catg D1 Exception Values: 4,879,666   4,431,900      
Catg L1 Exception Values: 22,938,620   23,139,813      
Total Test Values (4): 678,442,598   714,419,626      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 35,720,981

Confidence Interval Values (5)

Local Test Value: 678,442,598 (Outside Confidence Interval)
State Lower Limit: 678,698,645 (State Test Value minus Margin of Error Percent)
State Upper Limit: 750,140,607 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 931,179,648 (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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