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2009 Confidence Interval Detail
163/Medina
163-902/D'Hanis ISD

Category Summary

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

Stratum
Variance
A 3,388,010 0.8186 4,138,786 7 106 .028298677
A 3,657,840 1.0616 3,445,592 5 53 .016110466
A 3,467,960 1.0017 3,462,074 6 29 .009404540
A 3,801,250 1.1196 3,395,186 5 18 .000755911
D3 43,158,708 0.8794 49,077,448 25 2,826 .111839624
Random Totals: 57,473,768   63,519,086 48 3,032  
Catg J Exception Values: 5,440,445   5,640,321      
Catg D1 Exception Values: 23,054,847   23,246,978      
Total Test Values (4): 85,969,060   92,406,385      

Margin of Error

Margin of Error Percent: 7.1642019
Margin of Error Value: 6,620,180

Confidence Interval Values (5)

State Lower Limit: 85,786,205 (State Test Value minus Margin of Error Percent)
Local Test Value: 85,969,060 (Within Confidence Interval)
State Upper Limit: 99,026,565 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 87,761,134 (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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