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2006 Confidence Interval Detail
018/Bosque
018-907/Kopperl ISD

Category Summary

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

Stratum
Variance
A 9,491,716 0.9836 9,649,976 8 304 .044215394
A 9,404,893 0.9397 10,008,399 8 166 .025154187
A 9,493,038 0.9832 9,655,246 7 110 .022337499
A 9,393,249 0.9543 9,843,078 6 65 .004378999
D3 34,196,830 1.0255 33,346,494 22 990 .008167604
Random Totals: 71,979,726   72,503,193 51 1,635  
Catg J Exception Values: 4,113,890   4,167,565      
Catg D1 Exception Values: 4,272,290   3,800,831      
Total Test Values (4): 80,365,906   80,471,589      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,023,579

Confidence Interval Values (5)

State Lower Limit: 76,448,010 (State Test Value minus Margin of Error Percent)
Local Test Value: 80,365,906 (Within Confidence Interval)
State Upper Limit: 84,495,168 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 87,986,900 (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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