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2011 Confidence Interval Detail
223/Terry
058-902/Dawson ISD

Category Summary

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

Stratum
Variance
D3 1,099,915 0.9716 1,132,066 18 153 .001852240
G1 10,741,573 0.9571 11,223,041 7 24 .002482552
Random Totals: 11,841,488   12,355,107 25 177  
Catg D1 Exception Values: 4,848,848   4,275,810      
Catg G1 Exception Values: 19,074,258   18,263,959      
Total Test Values (4): 35,764,594   34,894,876      

Margin of Error

Margin of Error Percent: 5.0000006
Margin of Error Value: 1,744,744

Confidence Interval Values (5)

State Lower Limit: 33,150,132 (State Test Value minus Margin of Error Percent)
Local Test Value: 35,764,594 (Within Confidence Interval)
State Upper Limit: 36,639,620 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 35,979,585 (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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