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2009 Confidence Interval Detail
028/Caldwell
089-905/Waelder ISD

Category Summary

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

Stratum
Variance
D3 10,412,720 0.9014 11,551,720 11 375 .008426431
Random Totals: 10,412,720   11,551,720 11 375  
Catg J Exception Values: 662,930   774,489      
Catg D1 Exception Values: 1,203,249   1,172,174      
Total Test Values (4): 12,278,899   13,498,383      

Margin of Error

Margin of Error Percent: 5.1922515
Margin of Error Value: 700,870

Confidence Interval Values (5)

Local Test Value: 12,278,899 (Outside Confidence Interval)
State Lower Limit: 12,797,513 (State Test Value minus Margin of Error Percent)
State Upper Limit: 14,199,253 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 13,581,001 (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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