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2009 Confidence Interval Detail
072/Erath
182-901/Gordon ISD

Category Summary

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

Stratum
Variance
D3 10,404,930 0.9751 10,670,629 30 329 .014110779
Random Totals: 10,404,930   10,670,629 30 329  
Catg J Exception Values: 692,021   700,532      
Catg D1 Exception Values: 1,611,260   1,486,950      
Total Test Values (4): 12,708,211   12,858,111      

Margin of Error

Margin of Error Percent: 5.0000035
Margin of Error Value: 642,906

Confidence Interval Values (5)

State Lower Limit: 12,215,205 (State Test Value minus Margin of Error Percent)
Local Test Value: 12,708,211 (Within Confidence Interval)
State Upper Limit: 13,501,017 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 14,289,204 (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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