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2011 Confidence Interval Detail
175/Navarro
175-904/Dawson ISD

Category Summary

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

Stratum
Variance
A 4,581,093 0.9935 4,611,065 11 175 .002120018
A 4,780,090 0.9703 4,926,404 11 106 .002148058
A 4,902,500 0.9672 5,068,755 9 81 .001387485
A 4,650,160 0.9749 4,769,884 11 44 .002726405
D3 50,498,292 0.9811 51,471,096 16 2,605 .067268597
Random Totals: 69,412,135   70,847,204 58 3,011  
Catg J Exception Values: 1,811   1,630      
Catg D1 Exception Values: 9,080,833   8,802,543      
Total Test Values (4): 78,494,779   79,651,377      

Margin of Error

Margin of Error Percent: 8.3812324
Margin of Error Value: 6,675,767

Confidence Interval Values (5)

State Lower Limit: 72,975,610 (State Test Value minus Margin of Error Percent)
Local Test Value: 78,494,779 (Within Confidence Interval)
State Upper Limit: 86,327,144 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 98,254,051 (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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