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2009 Confidence Interval Detail
058/Dawson
058-909/Sands ISD

Category Summary

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

Stratum
Variance
D3 2,303,880 0.9695 2,376,359 10 228 .000788522
G1 14,423,970 1.0074 14,318,017 5 17 .001039573
G1 17,427,770 1.0398 16,760,694 3 6 .008457625
Random Totals: 34,155,620   33,455,070 18 251  
Catg D1 Exception Values: 5,205,040   6,610,193      
Catg G1 Exception Values: 51,333,642   52,030,358      
Total Test Values (4): 90,694,302   92,095,621      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,604,781

Confidence Interval Values (5)

State Lower Limit: 87,490,840 (State Test Value minus Margin of Error Percent)
Local Test Value: 90,694,302 (Within Confidence Interval)
State Upper Limit: 96,700,402 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 99,378,256 (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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