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2010 Confidence Interval Detail
025/Brown
025-908/Brookesmith ISD

Category Summary

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

Stratum
Variance
A 717,670 1.0160 706,368 10 31 .002759618
A 870,990 0.9934 876,777 9 17 .008210368
A 768,870 0.9896 776,950 8 10 .002717057
D3 31,036,711 1.0130 30,638,412 29 1,507 .042655927
Random Totals: 33,394,241   32,998,507 56 1,565  
Catg J Exception Values: 4,541,670   4,243,103      
Catg D1 Exception Values: 7,554,831   7,445,968      
Catg A Exception Values: 700,090   692,365      
Total Test Values (4): 46,190,832   45,379,943      

Margin of Error

Margin of Error Percent: 5.1427918
Margin of Error Value: 2,333,796

Confidence Interval Values (5)

State Lower Limit: 43,046,147 (State Test Value minus Margin of Error Percent)
Local Test Value: 46,190,832 (Within Confidence Interval)
State Upper Limit: 47,713,739 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 45,003,835 (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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