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2008 Confidence Interval Detail
072/Erath
097-903/Hico ISD

Category Summary

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

Stratum
Variance
A 3,233,600 0.9666 3,345,334 13 60 .023215933
D3 29,625,350 0.9934 29,822,176 19 943 .013084358
Random Totals: 32,858,950   33,167,510 32 1,003  
Catg D1 Exception Values: 4,659,170   3,264,524      
Total Test Values (4): 37,518,120   36,432,034      

Margin of Error

Margin of Error Percent: 5.0000008
Margin of Error Value: 1,821,602

Confidence Interval Values (5)

State Lower Limit: 34,610,432 (State Test Value minus Margin of Error Percent)
Local Test Value: 37,518,120 (Within Confidence Interval)
State Upper Limit: 38,253,636 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 34,438,117 (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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