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2007 Confidence Interval Detail
025/Brown
025-901/Bangs ISD

Category Summary

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

Stratum
Variance
A 32,890,950 1.0855 30,300,276 25 1,042 .098111967
A 32,893,196 0.9668 34,022,751 20 497 .083909913
A 32,931,876 0.9173 35,900,879 17 271 .072461475
A 32,778,609 0.9924 33,029,634 15 135 .045947541
D3 58,226,592 0.9357 62,227,842 43 3,040 .140015518
Random Totals: 189,721,223   195,481,382 120 4,985  
Catg J Exception Values: 12,477,944   12,753,054      
Catg D1 Exception Values: 8,206,712   6,990,771      
Total Test Values (4): 210,405,879   215,225,207      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 10,761,260

Confidence Interval Values (5)

State Lower Limit: 204,463,947 (State Test Value minus Margin of Error Percent)
Local Test Value: 210,405,879 (Within Confidence Interval)
State Upper Limit: 225,986,467 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 212,189,743 (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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