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2007 Confidence Interval Detail
085/Garza
085-903/Southland ISD

Category Summary

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

Stratum
Variance
D3 3,731,400 0.9563 3,901,914 14 554 .009300513
G1 9,764,067 0.9772 9,991,882 6 26 .005960066
G1 12,042,675 0.9232 13,044,492 4 8 .031203597
Random Totals: 25,538,142   26,938,288 24 588  
Catg J Exception Values: 4,592,829   4,833,164      
Catg D1 Exception Values: 6,589,360   10,269,023      
Catg G1 Exception Values: 16,171,703   15,836,382      
Total Test Values (4): 52,892,034   57,876,857      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 2,893,843

Confidence Interval Values (5)

Local Test Value: 52,892,034 (Outside Confidence Interval)
State Lower Limit: 54,983,014 (State Test Value minus Margin of Error Percent)
State Upper Limit: 60,770,700 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 57,412,980 (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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